56996787 has 8 divisors (see below), whose sum is σ = 76083136. Its totient is φ = 37954152.

The previous prime is 56996777. The next prime is 56996791. The reversal of 56996787 is 78769965.

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

It is not a de Polignac number, because 56996787 - 2¹¹ = 56994739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56996707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7753 + ... + 13194.

It is an arithmetic number, because the mean of its divisors is an integer number (9510392).

Almost surely, 2^56996787 is an apocalyptic number.

56996787 is a deficient number, since it is larger than the sum of its proper divisors (19086349).

56996787 is a wasteful number, since it uses less digits than its factorization.

56996787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21857.

The product of its digits is 5715360, while the sum is 57.

The square root of 56996787 is about 7549.6216461489. The cubic root of 56996787 is about 384.8428818607.

The spelling of 56996787 in words is "fifty-six million, nine hundred ninety-six thousand, seven hundred eighty-seven".