56862487 has 4 divisors (see below), whose sum is σ = 62031816. Its totient is φ = 51693160.

The previous prime is 56862479. The next prime is 56862517. The reversal of 56862487 is 78426865.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56862487 - 2³ = 56862479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56862427) 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, 2584648 + ... + 2584669.

It is an arithmetic number, because the mean of its divisors is an integer number (15507954).

Almost surely, 2^56862487 is an apocalyptic number.

56862487 is a deficient number, since it is larger than the sum of its proper divisors (5169329).

56862487 is a wasteful number, since it uses less digits than its factorization.

56862487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169328.

The product of its digits is 645120, while the sum is 46.

The square root of 56862487 is about 7540.7219150424. The cubic root of 56862487 is about 384.5403791574.

It can be divided in two parts, 568624 and 87, that added together give a triangular number (568711 = T₁₀₆₆).

The spelling of 56862487 in words is "fifty-six million, eight hundred sixty-two thousand, four hundred eighty-seven".