56829731 has 8 divisors (see below), whose sum is σ = 66532704. Its totient is φ = 47522880.

The previous prime is 56829719. The next prime is 56829737. The reversal of 56829731 is 13792865.

56829731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56829731 is a prime.

It is a super-2 number, since 2×56829731² = 6459236651064722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (56829737) 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 7 ways as a sum of consecutive naturals, for example, 98720 + ... + 99293.

It is an arithmetic number, because the mean of its divisors is an integer number (8316588).

Almost surely, 2^56829731 is an apocalyptic number.

56829731 is a deficient number, since it is larger than the sum of its proper divisors (9702973).

56829731 is a wasteful number, since it uses less digits than its factorization.

56829731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198061.

The product of its digits is 90720, while the sum is 41.

The square root of 56829731 is about 7538.5496615728. The cubic root of 56829731 is about 384.4665259912.

The spelling of 56829731 in words is "fifty-six million, eight hundred twenty-nine thousand, seven hundred thirty-one".