56606708257 has 16 divisors (see below), whose sum is σ = 63776401920. Its totient is φ = 49775932800.

The previous prime is 56606708237. The next prime is 56606708321. The reversal of 56606708257 is 75280760665.

It is not a de Polignac number, because 56606708257 - 2¹¹ = 56606706209 is a prime.

It is a super-2 number, since 2×56606708257² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56606708237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665413 + ... + 745645.

It is an arithmetic number, because the mean of its divisors is an integer number (3986025120).

Almost surely, 2^56606708257 is an apocalyptic number.

It is an amenable number.

56606708257 is a deficient number, since it is larger than the sum of its proper divisors (7169693663).

56606708257 is a wasteful number, since it uses less digits than its factorization.

56606708257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82344.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 56606708257 in words is "fifty-six billion, six hundred six million, seven hundred eight thousand, two hundred fifty-seven".