56048731 has 4 divisors (see below), whose sum is σ = 56229264. Its totient is φ = 55868200.

The previous prime is 56048693. The next prime is 56048753. The reversal of 56048731 is 13784065.

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-56048731 is a prime.

It is a super-2 number, since 2×56048731² = 6282920493420722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56048771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89800 + ... + 90421.

It is an arithmetic number, because the mean of its divisors is an integer number (14057316).

Almost surely, 2^56048731 is an apocalyptic number.

56048731 is a deficient number, since it is larger than the sum of its proper divisors (180533).

56048731 is a wasteful number, since it uses less digits than its factorization.

56048731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180532.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 56048731 is about 7486.5700424160. The cubic root of 56048731 is about 382.6971794389.

The spelling of 56048731 in words is "fifty-six million, forty-eight thousand, seven hundred thirty-one".