56665383210 has 48 divisors (see below), whose sum is σ = 155084211360. Its totient is φ = 14315464800.

The previous prime is 56665383143. The next prime is 56665383221. The reversal of 56665383210 is 1238356665.

It is a super-2 number, since 2×56665383210² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16567116 + ... + 16570535.

It is an arithmetic number, because the mean of its divisors is an integer number (3230921070).

Almost surely, 2^56665383210 is an apocalyptic number.

56665383210 is an abundant number, since it is smaller than the sum of its proper divisors (98418828150).

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

56665383210 is a wasteful number, since it uses less digits than its factorization.

56665383210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33137683 (or 33137680 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 56665383210 in words is "fifty-six billion, six hundred sixty-five million, three hundred eighty-three thousand, two hundred ten".