56990733 has 8 divisors (see below), whose sum is σ = 76022688. Its totient is φ = 37976304.

The previous prime is 56990729. The next prime is 56990737. The reversal of 56990733 is 33709965.

56990733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56990729) and next prime (56990737).

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

It is not a de Polignac number, because 56990733 - 2² = 56990729 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56990737) 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, 9435 + ... + 14247.

It is an arithmetic number, because the mean of its divisors is an integer number (9502836).

Almost surely, 2^56990733 is an apocalyptic number.

It is an amenable number.

56990733 is a deficient number, since it is larger than the sum of its proper divisors (19031955).

56990733 is a wasteful number, since it uses less digits than its factorization.

56990733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8763.

The product of its (nonzero) digits is 153090, while the sum is 42.

The square root of 56990733 is about 7549.2206882565. The cubic root of 56990733 is about 384.8292558219.

The spelling of 56990733 in words is "fifty-six million, nine hundred ninety thousand, seven hundred thirty-three".