56575044356240 has 80 divisors (see below), whose sum is σ = 134862070993776. Its totient is φ = 22058916249600.

The previous prime is 56575044356231. The next prime is 56575044356249. The reversal of 56575044356240 is 4265344057565.

It is an interprime number because it is at equal distance from previous prime (56575044356231) and next prime (56575044356249).

It can be written as a sum of positive squares in 8 ways, for example, as 11348214784 + 56563696141456 = 106528^2 + 7520884^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (56575044356249) 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, 3697991 + ... + 11261670.

Almost surely, 2^{56575044356240} is an apocalyptic number.

It is an amenable number.

56575044356240 is an abundant number, since it is smaller than the sum of its proper divisors (78287026637536).

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

56575044356240 is a wasteful number, since it uses less digits than its factorization.

56575044356240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14960868 (or 14960862 counting only the distinct ones).

The product of its (nonzero) digits is 60480000, while the sum is 56.

The spelling of 56575044356240 in words is "fifty-six trillion, five hundred seventy-five billion, forty-four million, three hundred fifty-six thousand, two hundred forty".