56204451 has 18 divisors (see below), whose sum is σ = 85686900. Its totient is φ = 35495496.

The previous prime is 56204441. The next prime is 56204453. The reversal of 56204451 is 15440265.

56204451 is a `hidden beast` number, since 5 + 6 + 204 + 451 = 666.

It is not a de Polignac number, because 56204451 - 2²¹ = 54107299 is a prime.

It is a super-2 number, since 2×56204451² = 6317880624422802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56204453) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5401 + ... + 11898.

Almost surely, 2^56204451 is an apocalyptic number.

56204451 is a deficient number, since it is larger than the sum of its proper divisors (29482449).

56204451 is a wasteful number, since it uses less digits than its factorization.

56204451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17343 (or 17321 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 56204451 is about 7496.9627850217. The cubic root of 56204451 is about 383.0512671478.

The spelling of 56204451 in words is "fifty-six million, two hundred four thousand, four hundred fifty-one".