56911690401 has 8 divisors (see below), whose sum is σ = 75883725984. Its totient is φ = 37940390880.

The previous prime is 56911690397. The next prime is 56911690417. The reversal of 56911690401 is 10409611965.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56911690401 - 2² = 56911690397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56911690441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32941 + ... + 338981.

It is an arithmetic number, because the mean of its divisors is an integer number (9485465748).

Almost surely, 2^56911690401 is an apocalyptic number.

It is an amenable number.

56911690401 is a deficient number, since it is larger than the sum of its proper divisors (18972035583).

56911690401 is a wasteful number, since it uses less digits than its factorization.

56911690401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368031.

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 56911690401 in words is "fifty-six billion, nine hundred eleven million, six hundred ninety thousand, four hundred one".