56621315404 has 24 divisors (see below), whose sum is σ = 105896503440. Its totient is φ = 26396299776.

The previous prime is 56621315371. The next prime is 56621315419. The reversal of 56621315404 is 40451312665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3883689 + ... + 3898240.

It is an arithmetic number, because the mean of its divisors is an integer number (4412354310).

Almost surely, 2^56621315404 is an apocalyptic number.

It is an amenable number.

56621315404 is a deficient number, since it is larger than the sum of its proper divisors (49275188036).

56621315404 is a wasteful number, since it uses less digits than its factorization.

56621315404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7782057 (or 7782055 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 56621315404 in words is "fifty-six billion, six hundred twenty-one million, three hundred fifteen thousand, four hundred four".