56846537690 has 16 divisors (see below), whose sum is σ = 102353326920. Its totient is φ = 22732046400.

The previous prime is 56846537681. The next prime is 56846537747. The reversal of 56846537690 is 9673564865.

It can be written as a sum of positive squares in 4 ways, for example, as 44849497729 + 11997039961 = 211777^2 + 109531^2 .

It is a super-2 number, since 2×56846537690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784661 + ... + 854040.

Almost surely, 2^56846537690 is an apocalyptic number.

56846537690 is a deficient number, since it is larger than the sum of its proper divisors (45506789230).

56846537690 is a wasteful number, since it uses less digits than its factorization.

56846537690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642177.

The product of its (nonzero) digits is 32659200, while the sum is 59.

The spelling of 56846537690 in words is "fifty-six billion, eight hundred forty-six million, five hundred thirty-seven thousand, six hundred ninety".