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55100610601 = 109505510189
BaseRepresentation
bin110011010100010000…
…001001100000101001
312021020001112000222121
4303110100021200221
51400321224014401
641151325151241
73660305314411
oct632420114051
9167201460877
1055100610601
1121405949313
12a8190bb521
1352716c6cca
142949d01641
151677571ca1
hexcd4409829

55100610601 has 4 divisors (see below), whose sum is σ = 55606120900. Its totient is φ = 54595100304.

The previous prime is 55100610577. The next prime is 55100610623. The reversal of 55100610601 is 10601600155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10601600155 = 52120320031.

It can be written as a sum of positive squares in 2 ways, for example, as 30677172201 + 24423438400 = 175149^2 + 156280^2 .

It is a cyclic number.

It is not a de Polignac number, because 55100610601 - 223 = 55092221993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55100610661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252754986 + ... + 252755203.

It is an arithmetic number, because the mean of its divisors is an integer number (13901530225).

Almost surely, 255100610601 is an apocalyptic number.

It is an amenable number.

55100610601 is a deficient number, since it is larger than the sum of its proper divisors (505510299).

55100610601 is a wasteful number, since it uses less digits than its factorization.

55100610601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505510298.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 55100610601 in words is "fifty-five billion, one hundred million, six hundred ten thousand, six hundred one".

Divisors: 1 109 505510189 55100610601