56942662987 has 48 divisors (see below), whose sum is σ = 74099525760. Its totient is φ = 43408361472.

The previous prime is 56942662981. The next prime is 56942663039. The reversal of 56942662987 is 78926624965.

It is not a de Polignac number, because 56942662987 - 2¹⁵ = 56942630219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56942662981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1110303 + ... + 1160455.

It is an arithmetic number, because the mean of its divisors is an integer number (1543740120).

Almost surely, 2^56942662987 is an apocalyptic number.

56942662987 is a deficient number, since it is larger than the sum of its proper divisors (17156862773).

56942662987 is a wasteful number, since it uses less digits than its factorization.

56942662987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50260 (or 50253 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 64.

The spelling of 56942662987 in words is "fifty-six billion, nine hundred forty-two million, six hundred sixty-two thousand, nine hundred eighty-seven".