56887933 has 4 divisors (see below), whose sum is σ = 60234300. Its totient is φ = 53541568.

The previous prime is 56887913. The next prime is 56887939. The reversal of 56887933 is 33978865.

56887933 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 can be written as a sum of positive squares in 2 ways, for example, as 23213124 + 33674809 = 4818^2 + 5803^2 .

It is not a de Polignac number, because 56887933 - 2¹³ = 56879741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56887939) 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, 1673158 + ... + 1673191.

It is an arithmetic number, because the mean of its divisors is an integer number (15058575).

Almost surely, 2^56887933 is an apocalyptic number.

It is an amenable number.

56887933 is a deficient number, since it is larger than the sum of its proper divisors (3346367).

56887933 is a wasteful number, since it uses less digits than its factorization.

56887933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3346366.

The product of its digits is 1088640, while the sum is 49.

The square root of 56887933 is about 7542.4089653108. The cubic root of 56887933 is about 384.5977312933.

The spelling of 56887933 in words is "fifty-six million, eight hundred eighty-seven thousand, nine hundred thirty-three".