56453525621655 has 32 divisors (see below), whose sum is σ = 94657361550336. Its totient is φ = 28675876779264.

The previous prime is 56453525621593. The next prime is 56453525621663. The reversal of 56453525621655 is 55612652535465.

It is not a de Polignac number, because 56453525621655 - 2¹⁶ = 56453525556119 is a prime.

It is a super-2 number, since 2×56453525621655² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351064267 + ... + 351225036.

It is an arithmetic number, because the mean of its divisors is an integer number (2958042548448).

Almost surely, 2^{56453525621655} is an apocalyptic number.

56453525621655 is a deficient number, since it is larger than the sum of its proper divisors (38203835928681).

56453525621655 is a wasteful number, since it uses less digits than its factorization.

56453525621655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702289567.

The product of its digits is 162000000, while the sum is 60.

The spelling of 56453525621655 in words is "fifty-six trillion, four hundred fifty-three billion, five hundred twenty-five million, six hundred twenty-one thousand, six hundred fifty-five".