56489880976 has 15 divisors (see below), whose sum is σ = 109450986411. Its totient is φ = 28244465136.

The previous prime is 56489880973. The next prime is 56489880977. The reversal of 56489880976 is 67908898465.

The square root of 56489880976 is 237676.

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

It is a super-2 number, since 2×56489880976² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56489880971) 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 2 ways as a sum of consecutive naturals, for example, 920995 + ... + 980413.

Almost surely, 2^56489880976 is an apocalyptic number.

56489880976 is the 237676-th square number.

It is an amenable number.

56489880976 is a deficient number, since it is larger than the sum of its proper divisors (52961105435).

56489880976 is an frugal number, since it uses more digits than its factorization.

56489880976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118846 (or 59421 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 70.

The spelling of 56489880976 in words is "fifty-six billion, four hundred eighty-nine million, eight hundred eighty thousand, nine hundred seventy-six".