56464170651 has 48 divisors (see below), whose sum is σ = 100793631744. Its totient is φ = 29721146112.

The previous prime is 56464170641. The next prime is 56464170661. The reversal of 56464170651 is 15607146465.

It is an interprime number because it is at equal distance from previous prime (56464170641) and next prime (56464170661).

It is not a de Polignac number, because 56464170651 - 2¹¹ = 56464168603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56464170597 and 56464170606.

It is not an unprimeable number, because it can be changed into a prime (56464170611) 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, 510525 + ... + 611198.

It is an arithmetic number, because the mean of its divisors is an integer number (2099867328).

Almost surely, 2^56464170651 is an apocalyptic number.

56464170651 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

56464170651 is a deficient number, since it is larger than the sum of its proper divisors (44329461093).

56464170651 is a wasteful number, since it uses less digits than its factorization.

56464170651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121800 (or 1121797 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 56464170651 in words is "fifty-six billion, four hundred sixty-four million, one hundred seventy thousand, six hundred fifty-one".