56065457 has 6 divisors (see below), whose sum is σ = 65219058. Its totient is φ = 48056064.

The previous prime is 56065441. The next prime is 56065481. The reversal of 56065457 is 75456065.

It can be written as a sum of positive squares in only one way, i.e., 36493681 + 19571776 = 6041^2 + 4424^2 .

It is not a de Polignac number, because 56065457 - 2⁴ = 56065441 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 56065457.

It is not an unprimeable number, because it can be changed into a prime (56065057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 572048 + ... + 572145.

It is an arithmetic number, because the mean of its divisors is an integer number (10869843).

Almost surely, 2^56065457 is an apocalyptic number.

It is an amenable number.

56065457 is a deficient number, since it is larger than the sum of its proper divisors (9153601).

56065457 is a wasteful number, since it uses less digits than its factorization.

56065457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144207 (or 1144200 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 56065457 is about 7487.6870260448. The cubic root of 56065457 is about 382.7352436751.

The spelling of 56065457 in words is "fifty-six million, sixty-five thousand, four hundred fifty-seven".