56861831582402 has 192 divisors, whose sum is σ = 110506684976640. Its totient is φ = 21693053491200.

The previous prime is 56861831582377. The next prime is 56861831582429. The reversal of 56861831582402 is 20428513816865.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 23237363543 + ... + 23237365989.

It is an arithmetic number, because the mean of its divisors is an integer number (575555650920).

Almost surely, 2^{56861831582402} is an apocalyptic number.

56861831582402 is a deficient number, since it is larger than the sum of its proper divisors (53644853394238).

56861831582402 is a wasteful number, since it uses less digits than its factorization.

56861831582402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3977 (or 3970 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 59.

The spelling of 56861831582402 in words is "fifty-six trillion, eight hundred sixty-one billion, eight hundred thirty-one million, five hundred eighty-two thousand, four hundred two".