56727651 has 16 divisors (see below), whose sum is σ = 77103360. Its totient is φ = 37091040.

The previous prime is 56727647. The next prime is 56727653. The reversal of 56727651 is 15672765.

It is not a de Polignac number, because 56727651 - 2² = 56727647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56727653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48196 + ... + 49358.

It is an arithmetic number, because the mean of its divisors is an integer number (4818960).

Almost surely, 2^56727651 is an apocalyptic number.

56727651 is a deficient number, since it is larger than the sum of its proper divisors (20375709).

56727651 is a wasteful number, since it uses less digits than its factorization.

56727651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466.

The product of its digits is 88200, while the sum is 39.

The square root of 56727651 is about 7531.7760853599. The cubic root of 56727651 is about 384.2361896021.

The spelling of 56727651 in words is "fifty-six million, seven hundred twenty-seven thousand, six hundred fifty-one".