56635748394 has 32 divisors (see below), whose sum is σ = 113469854400. Its totient is φ = 18845553792.

The previous prime is 56635748363. The next prime is 56635748419. The reversal of 56635748394 is 49384753665.

It is a super-2 number, since 2×56635748394² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13020532 + ... + 13024880.

It is an arithmetic number, because the mean of its divisors is an integer number (3545932950).

Almost surely, 2^56635748394 is an apocalyptic number.

56635748394 is an abundant number, since it is smaller than the sum of its proper divisors (56834106006).

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

56635748394 is a wasteful number, since it uses less digits than its factorization.

56635748394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7654.

The product of its digits is 65318400, while the sum is 60.

The spelling of 56635748394 in words is "fifty-six billion, six hundred thirty-five million, seven hundred forty-eight thousand, three hundred ninety-four".