56837420836 has 27 divisors (see below), whose sum is σ = 115711544529. Its totient is φ = 24357464208.

The previous prime is 56837420813. The next prime is 56837420839. The reversal of 56837420836 is 63802473865.

The square root of 56837420836 is 238406.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 45456798436 + 11380622400 = 213206^2 + 106680^2 .

It is not an unprimeable number, because it can be changed into a prime (56837420839) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 3329170 + ... + 3346198.

Almost surely, 2^56837420836 is an apocalyptic number.

56837420836 is the 238406-th square number.

It is an amenable number.

56837420836 is an abundant number, since it is smaller than the sum of its proper divisors (58874123693).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56837420836 is an frugal number, since it uses more digits than its factorization.

56837420836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34076 (or 17038 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 56837420836 in words is "fifty-six billion, eight hundred thirty-seven million, four hundred twenty thousand, eight hundred thirty-six".