56627407 has 4 divisors (see below), whose sum is σ = 57263760. Its totient is φ = 55991056.

The previous prime is 56627371. The next prime is 56627411. The reversal of 56627407 is 70472665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70472665 = 5 ⋅14094533.

It is a cyclic number.

It is not a de Polignac number, because 56627407 - 2¹⁵ = 56594639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56627477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318043 + ... + 318220.

It is an arithmetic number, because the mean of its divisors is an integer number (14315940).

Almost surely, 2^56627407 is an apocalyptic number.

56627407 is a deficient number, since it is larger than the sum of its proper divisors (636353).

56627407 is an equidigital number, since it uses as much as digits as its factorization.

56627407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636352.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 56627407 is about 7525.1184043841. The cubic root of 56627407 is about 384.0097269491.

The spelling of 56627407 in words is "fifty-six million, six hundred twenty-seven thousand, four hundred seven".