56556770127 has 128 divisors (see below), whose sum is σ = 95579108352. Its totient is φ = 29220864000.

The previous prime is 56556770119. The next prime is 56556770143. The reversal of 56556770127 is 72107765565.

It is not a de Polignac number, because 56556770127 - 2³ = 56556770119 is a prime.

It is a super-2 number, since 2×56556770127² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 56556770127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56556770107) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 141039127 + ... + 141039527.

It is an arithmetic number, because the mean of its divisors is an integer number (746711784).

Almost surely, 2^56556770127 is an apocalyptic number.

56556770127 is a deficient number, since it is larger than the sum of its proper divisors (39022338225).

56556770127 is a wasteful number, since it uses less digits than its factorization.

56556770127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its (nonzero) digits is 3087000, while the sum is 51.

The spelling of 56556770127 in words is "fifty-six billion, five hundred fifty-six million, seven hundred seventy thousand, one hundred twenty-seven".