56456121308 has 48 divisors (see below), whose sum is σ = 102472594560. Its totient is φ = 27198360384.

The previous prime is 56456121289. The next prime is 56456121311. The reversal of 56456121308 is 80312165465.

It is a super-2 number, since 2×56456121308² (a number of 22 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 15 ways as a sum of consecutive naturals, for example, 17847335 + ... + 17850497.

It is an arithmetic number, because the mean of its divisors is an integer number (2134845720).

Almost surely, 2^56456121308 is an apocalyptic number.

It is an amenable number.

56456121308 is a deficient number, since it is larger than the sum of its proper divisors (46016473252).

56456121308 is a wasteful number, since it uses less digits than its factorization.

56456121308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4706 (or 4704 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 56456121308 in words is "fifty-six billion, four hundred fifty-six million, one hundred twenty-one thousand, three hundred eight".