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53055055 = 561197883
BaseRepresentation
bin1100101001100…
…0111001001111
310200211110212001
43022120321033
5102040230210
65133053131
71212650314
oct312307117
9120743761
1053055055
1127a48059
12159271a7
13acb7b31
147090d0b
1549d003a
hex3298e4f

53055055 has 16 divisors (see below), whose sum is σ = 65111904. Its totient is φ = 41489280.

The previous prime is 53055053. The next prime is 53055083. The reversal of 53055055 is 55055035.

It is not a de Polignac number, because 53055055 - 21 = 53055053 is a prime.

It is a super-2 number, since 2×530550552 = 5629677722106050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53055053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59644 + ... + 60526.

It is an arithmetic number, because the mean of its divisors is an integer number (4069494).

Almost surely, 253055055 is an apocalyptic number.

53055055 is a deficient number, since it is larger than the sum of its proper divisors (12056849).

53055055 is a wasteful number, since it uses less digits than its factorization.

53055055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its (nonzero) digits is 9375, while the sum is 28.

The square root of 53055055 is about 7283.8901007635. The cubic root of 53055055 is about 375.7585947596.

The spelling of 53055055 in words is "fifty-three million, fifty-five thousand, fifty-five".

Divisors: 1 5 61 197 305 883 985 4415 12017 53863 60085 173951 269315 869755 10611011 53055055