56747651 has 4 divisors (see below), whose sum is σ = 56828400. Its totient is φ = 56666904.

The previous prime is 56747627. The next prime is 56747653. The reversal of 56747651 is 15674765.

56747651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56747651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56747599 and 56747608.

It is not an unprimeable number, because it can be changed into a prime (56747653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39311 + ... + 40728.

It is an arithmetic number, because the mean of its divisors is an integer number (14207100).

Almost surely, 2^56747651 is an apocalyptic number.

56747651 is a deficient number, since it is larger than the sum of its proper divisors (80749).

56747651 is an equidigital number, since it uses as much as digits as its factorization.

56747651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80748.

The product of its digits is 176400, while the sum is 41.

The square root of 56747651 is about 7533.1036764404. The cubic root of 56747651 is about 384.2813399577.

The spelling of 56747651 in words is "fifty-six million, seven hundred forty-seven thousand, six hundred fifty-one".