56299731 has 4 divisors (see below), whose sum is σ = 75066312. Its totient is φ = 37533152.

The previous prime is 56299703. The next prime is 56299741. The reversal of 56299731 is 13799265.

56299731 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 not a de Polignac number, because 56299731 - 2¹⁰ = 56298707 is a prime.

It is a super-2 number, since 2×56299731² = 6339319421344722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56299741) 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, 9383286 + ... + 9383291.

It is an arithmetic number, because the mean of its divisors is an integer number (18766578).

Almost surely, 2^56299731 is an apocalyptic number.

56299731 is a deficient number, since it is larger than the sum of its proper divisors (18766581).

56299731 is a wasteful number, since it uses less digits than its factorization.

56299731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18766580.

The product of its digits is 102060, while the sum is 42.

The square root of 56299731 is about 7503.3146675319. The cubic root of 56299731 is about 383.2675994827.

The spelling of 56299731 in words is "fifty-six million, two hundred ninety-nine thousand, seven hundred thirty-one".