56261154660 has 48 divisors (see below), whose sum is σ = 160503529536. Its totient is φ = 14719898752.

The previous prime is 56261154641. The next prime is 56261154661. The reversal of 56261154660 is 6645116265.

56261154660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56261154661) 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, 8842914 + ... + 8849273.

It is an arithmetic number, because the mean of its divisors is an integer number (3343823532).

Almost surely, 2^56261154660 is an apocalyptic number.

It is an amenable number.

56261154660 is an abundant number, since it is smaller than the sum of its proper divisors (104242374876).

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

56261154660 is a wasteful number, since it uses less digits than its factorization.

56261154660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17692252 (or 17692250 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 56261154660 in words is "fifty-six billion, two hundred sixty-one million, one hundred fifty-four thousand, six hundred sixty".