56016765 has 40 divisors (see below), whose sum is σ = 114766080. Its totient is φ = 25606368.

The previous prime is 56016749. The next prime is 56016803. The reversal of 56016765 is 56761065.

It is a happy number.

It is not a de Polignac number, because 56016765 - 2⁴ = 56016749 is a prime.

It is a super-2 number, since 2×56016765² = 6275755922130450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7045 + ... + 12714.

It is an arithmetic number, because the mean of its divisors is an integer number (2869152).

Almost surely, 2^56016765 is an apocalyptic number.

It is an amenable number.

56016765 is an abundant number, since it is smaller than the sum of its proper divisors (58749315).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56016765 is a wasteful number, since it uses less digits than its factorization.

56016765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19783 (or 19774 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 56016765 is about 7484.4348484037. The cubic root of 56016765 is about 382.6244116634.

The spelling of 56016765 in words is "fifty-six million, sixteen thousand, seven hundred sixty-five".