56587567 has 8 divisors (see below), whose sum is σ = 62156160. Its totient is φ = 51278040.

The previous prime is 56587561. The next prime is 56587571. The reversal of 56587567 is 76578565.

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

It is not a de Polignac number, because 56587567 - 2¹¹ = 56585519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56587567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56587561) 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, 64309 + ... + 65182.

It is an arithmetic number, because the mean of its divisors is an integer number (7769520).

Almost surely, 2^56587567 is an apocalyptic number.

56587567 is a deficient number, since it is larger than the sum of its proper divisors (5568593).

56587567 is a wasteful number, since it uses less digits than its factorization.

56587567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129533.

The product of its digits is 1764000, while the sum is 49.

The square root of 56587567 is about 7522.4708041972. The cubic root of 56587567 is about 383.9196496198.

It can be divided in two parts, 5658 and 7567, that added together give a square (13225 = 115²).

The spelling of 56587567 in words is "fifty-six million, five hundred eighty-seven thousand, five hundred sixty-seven".