55660000100057 has 16 divisors (see below), whose sum is σ = 56156619968064. Its totient is φ = 55164485376000.

The previous prime is 55660000100053. The next prime is 55660000100059. The reversal of 55660000100057 is 75000100006655.

It is a cyclic number.

It is not a de Polignac number, because 55660000100057 - 2² = 55660000100053 is a prime.

It is a super-2 number, since 2×55660000100057² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55660000100053) 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, 904906898 + ... + 904968404.

It is an arithmetic number, because the mean of its divisors is an integer number (3509788748004).

Almost surely, 2^{55660000100057} is an apocalyptic number.

It is an amenable number.

55660000100057 is a deficient number, since it is larger than the sum of its proper divisors (496619868007).

55660000100057 is a wasteful number, since it uses less digits than its factorization.

55660000100057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70360.

The product of its (nonzero) digits is 31500, while the sum is 35.

The spelling of 55660000100057 in words is "fifty-five trillion, six hundred sixty billion, one hundred thousand, fifty-seven".