55810375477 has 16 divisors (see below), whose sum is σ = 58927908160. Its totient is φ = 52711108992.

The previous prime is 55810375463. The next prime is 55810375507. The reversal of 55810375477 is 77457301855.

It is a cyclic number.

It is not a de Polignac number, because 55810375477 - 2⁷ = 55810375349 is a prime.

It is a super-2 number, since 2×55810375477² (a number of 22 digits) 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 (55810375447) 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, 10262203 + ... + 10267639.

It is an arithmetic number, because the mean of its divisors is an integer number (3682994260).

Almost surely, 2^55810375477 is an apocalyptic number.

It is an amenable number.

55810375477 is a deficient number, since it is larger than the sum of its proper divisors (3117532683).

55810375477 is a wasteful number, since it uses less digits than its factorization.

55810375477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012.

The product of its (nonzero) digits is 4116000, while the sum is 52.

The spelling of 55810375477 in words is "fifty-five billion, eight hundred ten million, three hundred seventy-five thousand, four hundred seventy-seven".