56366451 has 6 divisors (see below), whose sum is σ = 81418220. Its totient is φ = 37577628.

The previous prime is 56366449. The next prime is 56366467. The reversal of 56366451 is 15466365.

56366451 is a `hidden beast` number, since 5 + 6 + 3 + 6 + 645 + 1 = 666.

It is not a de Polignac number, because 56366451 - 2¹ = 56366449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56366411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3131461 + ... + 3131478.

Almost surely, 2^56366451 is an apocalyptic number.

56366451 is a deficient number, since it is larger than the sum of its proper divisors (25051769).

56366451 is a wasteful number, since it uses less digits than its factorization.

56366451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262945 (or 6262942 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 56366451 is about 7507.7593861285. The cubic root of 56366451 is about 383.4189413506.

The spelling of 56366451 in words is "fifty-six million, three hundred sixty-six thousand, four hundred fifty-one".