56265400521 has 16 divisors (see below), whose sum is σ = 90933981120. Its totient is φ = 34100242560.

The previous prime is 56265400501. The next prime is 56265400553. The reversal of 56265400521 is 12500456265.

56265400521 is a `hidden beast` number, since 5 + 62 + 6 + 540 + 0 + 52 + 1 = 666.

56265400521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56265400521 - 2¹¹ = 56265398473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56265400501) 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, 94722600 + ... + 94723193.

It is an arithmetic number, because the mean of its divisors is an integer number (5683373820).

Almost surely, 2^56265400521 is an apocalyptic number.

It is an amenable number.

56265400521 is a deficient number, since it is larger than the sum of its proper divisors (34668580599).

56265400521 is a wasteful number, since it uses less digits than its factorization.

56265400521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189445813 (or 189445807 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 56265400521 its reverse (12500456265), we get a palindrome (68765856786).

The spelling of 56265400521 in words is "fifty-six billion, two hundred sixty-five million, four hundred thousand, five hundred twenty-one".