56987626 has 8 divisors (see below), whose sum is σ = 85633380. Its totient is φ = 28443168.

The previous prime is 56987617. The next prime is 56987627. The reversal of 56987626 is 62678965.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56987401 + 225 = 7549^2 + 15^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 56987626.

It is not an unprimeable number, because it can be changed into a prime (56987627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23901 + ... + 26176.

Almost surely, 2^56987626 is an apocalyptic number.

56987626 is a deficient number, since it is larger than the sum of its proper divisors (28645754).

56987626 is a wasteful number, since it uses less digits than its factorization.

56987626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50648.

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

The square root of 56987626 is about 7549.0149026214. The cubic root of 56987626 is about 384.8222623678.

The spelling of 56987626 in words is "fifty-six million, nine hundred eighty-seven thousand, six hundred twenty-six".