56972449 has 4 divisors (see below), whose sum is σ = 59449536. Its totient is φ = 54495364.

The previous prime is 56972441. The next prime is 56972521. The reversal of 56972449 is 94427965.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56972449 - 2³ = 56972441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56972399 and 56972408.

It is not an unprimeable number, because it can be changed into a prime (56972441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238509 + ... + 1238554.

It is an arithmetic number, because the mean of its divisors is an integer number (14862384).

Almost surely, 2^56972449 is an apocalyptic number.

It is an amenable number.

56972449 is a deficient number, since it is larger than the sum of its proper divisors (2477087).

56972449 is a wasteful number, since it uses less digits than its factorization.

56972449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477086.

The product of its digits is 544320, while the sum is 46.

The square root of 56972449 is about 7548.0096051873. The cubic root of 56972449 is about 384.7880972549.

The spelling of 56972449 in words is "fifty-six million, nine hundred seventy-two thousand, four hundred forty-nine".