56951530317 has 48 divisors (see below), whose sum is σ = 93032409600. Its totient is φ = 33255492480.

The previous prime is 56951530301. The next prime is 56951530319. The reversal of 56951530317 is 71303515965.

56951530317 is a `hidden beast` number, since 5 + 69 + 51 + 530 + 3 + 1 + 7 = 666.

It is not a de Polignac number, because 56951530317 - 2⁴ = 56951530301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56951530319) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1354503 + ... + 1395915.

It is an arithmetic number, because the mean of its divisors is an integer number (1938175200).

Almost surely, 2^56951530317 is an apocalyptic number.

It is an amenable number.

56951530317 is a deficient number, since it is larger than the sum of its proper divisors (36080879283).

56951530317 is a wasteful number, since it uses less digits than its factorization.

56951530317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41938 (or 41935 counting only the distinct ones).

The product of its (nonzero) digits is 425250, while the sum is 45.

The spelling of 56951530317 in words is "fifty-six billion, nine hundred fifty-one million, five hundred thirty thousand, three hundred seventeen".