56662705 has 16 divisors (see below), whose sum is σ = 74323008. Its totient is φ = 41128000.

The previous prime is 56662681. The next prime is 56662709. The reversal of 56662705 is 50726665.

It is not a de Polignac number, because 56662705 - 2¹⁷ = 56531633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56662709) 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, 52875 + ... + 53935.

It is an arithmetic number, because the mean of its divisors is an integer number (4645188).

Almost surely, 2^56662705 is an apocalyptic number.

56662705 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56662705 is a deficient number, since it is larger than the sum of its proper divisors (17660303).

56662705 is a wasteful number, since it uses less digits than its factorization.

56662705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 56662705 is about 7527.4633841687. The cubic root of 56662705 is about 384.0894996283.

The spelling of 56662705 in words is "fifty-six million, six hundred sixty-two thousand, seven hundred five".