56690431501 has 32 divisors (see below), whose sum is σ = 63371258496. Its totient is φ = 50282400000.

The previous prime is 56690431493. The next prime is 56690431571. The reversal of 56690431501 is 10513409665.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56690431501 - 2³ = 56690431493 is a prime.

It is a super-2 number, since 2×56690431501² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56690431571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64640875 + ... + 64641751.

It is an arithmetic number, because the mean of its divisors is an integer number (1980351828).

Almost surely, 2^56690431501 is an apocalyptic number.

It is an amenable number.

56690431501 is a deficient number, since it is larger than the sum of its proper divisors (6680826995).

56690431501 is a wasteful number, since it uses less digits than its factorization.

56690431501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 56690431501 in words is "fifty-six billion, six hundred ninety million, four hundred thirty-one thousand, five hundred one".