56326731 has 16 divisors (see below), whose sum is σ = 76185120. Its totient is φ = 37013760.

The previous prime is 56326723. The next prime is 56326799. The reversal of 56326731 is 13762365.

It is not a de Polignac number, because 56326731 - 2³ = 56326723 is a prime.

It is a super-2 number, since 2×56326731² = 6345401250292722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56326692 and 56326701.

It is not an unprimeable number, because it can be changed into a prime (56326031) 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, 91581 + ... + 92193.

It is an arithmetic number, because the mean of its divisors is an integer number (4761570).

Almost surely, 2^56326731 is an apocalyptic number.

56326731 is a deficient number, since it is larger than the sum of its proper divisors (19858389).

56326731 is a wasteful number, since it uses less digits than its factorization.

56326731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006.

The product of its digits is 22680, while the sum is 33.

The square root of 56326731 is about 7505.1136567010. The cubic root of 56326731 is about 383.3288583389.

The spelling of 56326731 in words is "fifty-six million, three hundred twenty-six thousand, seven hundred thirty-one".