56521123274754 has 32 divisors (see below), whose sum is σ = 125602986824640. Its totient is φ = 18840300826176.

The previous prime is 56521123274753. The next prime is 56521123274773. The reversal of 56521123274754 is 45747232112565.

56521123274754 is a `hidden beast` number, since 5 + 6 + 5 + 21 + 123 + 27 + 475 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 56521123274754.

It is not an unprimeable number, because it can be changed into a prime (56521123274753) 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, 12910554 + ... + 16724970.

It is an arithmetic number, because the mean of its divisors is an integer number (3925093338270).

Almost surely, 2^{56521123274754} is an apocalyptic number.

56521123274754 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

56521123274754 is an abundant number, since it is smaller than the sum of its proper divisors (69081863549886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56521123274754 is a wasteful number, since it uses less digits than its factorization.

56521123274754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088831 (or 4088825 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 54.

The spelling of 56521123274754 in words is "fifty-six trillion, five hundred twenty-one billion, one hundred twenty-three million, two hundred seventy-four thousand, seven hundred fifty-four".