56415759 has 16 divisors (see below), whose sum is σ = 78129120. Its totient is φ = 36167040.

The previous prime is 56415743. The next prime is 56415761. The reversal of 56415759 is 95751465.

It is not a de Polignac number, because 56415759 - 2⁴ = 56415743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56415759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56415739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22929 + ... + 25269.

It is an arithmetic number, because the mean of its divisors is an integer number (4883070).

Almost surely, 2^56415759 is an apocalyptic number.

56415759 is a deficient number, since it is larger than the sum of its proper divisors (21713361).

56415759 is a wasteful number, since it uses less digits than its factorization.

56415759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650.

The product of its digits is 189000, while the sum is 42.

The square root of 56415759 is about 7511.0424709224. The cubic root of 56415759 is about 383.5307106199.

The spelling of 56415759 in words is "fifty-six million, four hundred fifteen thousand, seven hundred fifty-nine".