56436705 has 72 divisors (see below), whose sum is σ = 109110456. Its totient is φ = 26956800.

The previous prime is 56436701. The next prime is 56436727. The reversal of 56436705 is 50763465.

56436705 is a `hidden beast` number, since 5 + 643 + 6 + 7 + 0 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 55935441 + 501264 = 7479^2 + 708^2 .

It is not a de Polignac number, because 56436705 - 2² = 56436701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56436705.

It is not an unprimeable number, because it can be changed into a prime (56436701) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 311715 + ... + 311895.

It is an arithmetic number, because the mean of its divisors is an integer number (1515423).

Almost surely, 2^56436705 is an apocalyptic number.

It is an amenable number.

56436705 is a deficient number, since it is larger than the sum of its proper divisors (52673751).

56436705 is a wasteful number, since it uses less digits than its factorization.

56436705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 56436705 is about 7512.4366885851. The cubic root of 56436705 is about 383.5781704100.

The spelling of 56436705 in words is "fifty-six million, four hundred thirty-six thousand, seven hundred five".