56544698940 has 48 divisors (see below), whose sum is σ = 158427366048. Its totient is φ = 15068852224.

The previous prime is 56544698927. The next prime is 56544698999. The reversal of 56544698940 is 4989644565.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

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, 210237 + ... + 396596.

It is an arithmetic number, because the mean of its divisors is an integer number (3300570126).

Almost surely, 2^56544698940 is an apocalyptic number.

It is an amenable number.

56544698940 is an abundant number, since it is smaller than the sum of its proper divisors (101882667108).

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

56544698940 is a wasteful number, since it uses less digits than its factorization.

56544698940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608398 (or 608396 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 60.

The spelling of 56544698940 in words is "fifty-six billion, five hundred forty-four million, six hundred ninety-eight thousand, nine hundred forty".