56747005 has 16 divisors (see below), whose sum is σ = 77952384. Its totient is φ = 38848320.

The previous prime is 56746981. The next prime is 56747059. The reversal of 56747005 is 50074765.

It is not a de Polignac number, because 56747005 - 2¹³ = 56738813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32074 + ... + 33796.

It is an arithmetic number, because the mean of its divisors is an integer number (4872024).

Almost surely, 2^56747005 is an apocalyptic number.

It is an amenable number.

56747005 is a deficient number, since it is larger than the sum of its proper divisors (21205379).

56747005 is a wasteful number, since it uses less digits than its factorization.

56747005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 56747005 is about 7533.0607989051. The cubic root of 56747005 is about 384.2798817671.

The spelling of 56747005 in words is "fifty-six million, seven hundred forty-seven thousand, five".