56657242107 has 12 divisors (see below), whose sum is σ = 81840849480. Its totient is φ = 37770289728.

The previous prime is 56657242091. The next prime is 56657242123. The reversal of 56657242107 is 70124275665.

56657242107 is a `hidden beast` number, since 5 + 66 + 572 + 4 + 2 + 10 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (56657242091) and next prime (56657242123).

It is not a de Polignac number, because 56657242107 - 2⁴ = 56657242091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56657242207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268819 + ... + 430787.

It is an arithmetic number, because the mean of its divisors is an integer number (6820070790).

Almost surely, 2^56657242107 is an apocalyptic number.

56657242107 is a deficient number, since it is larger than the sum of its proper divisors (25183607373).

56657242107 is a wasteful number, since it uses less digits than its factorization.

56657242107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200842 (or 200839 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 56657242107 in words is "fifty-six billion, six hundred fifty-seven million, two hundred forty-two thousand, one hundred seven".