56519785 has 12 divisors (see below), whose sum is σ = 78897348. Its totient is φ = 38756256.

The previous prime is 56519779. The next prime is 56519791. The reversal of 56519785 is 58791565.

It is an interprime number because it is at equal distance from previous prime (56519779) and next prime (56519791).

It can be written as a sum of positive squares in 2 ways, for example, as 40487769 + 16032016 = 6363^2 + 4004^2 .

It is not a de Polignac number, because 56519785 - 2³ = 56519777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115102 + ... + 115591.

It is an arithmetic number, because the mean of its divisors is an integer number (6574779).

Almost surely, 2^56519785 is an apocalyptic number.

It is an amenable number.

56519785 is a deficient number, since it is larger than the sum of its proper divisors (22377563).

56519785 is a wasteful number, since it uses less digits than its factorization.

56519785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230712 (or 230705 counting only the distinct ones).

The product of its digits is 378000, while the sum is 46.

The square root of 56519785 is about 7517.9641526147. The cubic root of 56519785 is about 383.7662988618.

It can be divided in two parts, 56 and 519785, that added together give a square (519841 = 721²).

The spelling of 56519785 in words is "fifty-six million, five hundred nineteen thousand, seven hundred eighty-five".