56561657362 has 48 divisors (see below), whose sum is σ = 106536720960. Its totient is φ = 22387196832.

The previous prime is 56561657359. The next prime is 56561657407. The reversal of 56561657362 is 26375616565.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367288 + ... + 498019.

It is an arithmetic number, because the mean of its divisors is an integer number (2219515020).

Almost surely, 2^56561657362 is an apocalyptic number.

56561657362 is a deficient number, since it is larger than the sum of its proper divisors (49975063598).

56561657362 is a wasteful number, since it uses less digits than its factorization.

56561657362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865375 (or 865368 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 52.

The spelling of 56561657362 in words is "fifty-six billion, five hundred sixty-one million, six hundred fifty-seven thousand, three hundred sixty-two".