56404660514497 has 8 divisors (see below), whose sum is σ = 58235968843520. Its totient is φ = 54574089882480.

The previous prime is 56404660514453. The next prime is 56404660514539. The reversal of 56404660514497 is 79441506640465.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56404660514497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56404667514497) 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, 184268847 + ... + 184574692.

It is an arithmetic number, because the mean of its divisors is an integer number (7279496105440).

Almost surely, 2^{56404660514497} is an apocalyptic number.

It is an amenable number.

56404660514497 is a deficient number, since it is larger than the sum of its proper divisors (1831308329023).

56404660514497 is a wasteful number, since it uses less digits than its factorization.

56404660514497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368848503.

The product of its (nonzero) digits is 87091200, while the sum is 61.

The spelling of 56404660514497 in words is "fifty-six trillion, four hundred four billion, six hundred sixty million, five hundred fourteen thousand, four hundred ninety-seven".