56740455915 has 64 divisors (see below), whose sum is σ = 112269749760. Its totient is φ = 24057768960.

The previous prime is 56740455899. The next prime is 56740455917. The reversal of 56740455915 is 51955404765.

It is not a de Polignac number, because 56740455915 - 2⁴ = 56740455899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56740455917) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 655362 + ... + 736871.

It is an arithmetic number, because the mean of its divisors is an integer number (1754214840).

Almost surely, 2^56740455915 is an apocalyptic number.

56740455915 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56740455915 is a deficient number, since it is larger than the sum of its proper divisors (55529293845).

56740455915 is a wasteful number, since it uses less digits than its factorization.

56740455915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392284.

The product of its (nonzero) digits is 3780000, while the sum is 51.

The spelling of 56740455915 in words is "fifty-six billion, seven hundred forty million, four hundred fifty-five thousand, nine hundred fifteen".