56190921594 has 128 divisors (see below), whose sum is σ = 126766080000. Its totient is φ = 16521926400.

The previous prime is 56190921539. The next prime is 56190921599. The reversal of 56190921594 is 49512909165.

It is not an unprimeable number, because it can be changed into a prime (56190921599) 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, 35766829 + ... + 35768399.

It is an arithmetic number, because the mean of its divisors is an integer number (990360000).

Almost surely, 2^56190921594 is an apocalyptic number.

56190921594 is an abundant number, since it is smaller than the sum of its proper divisors (70575158406).

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

56190921594 is a wasteful number, since it uses less digits than its factorization.

56190921594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its (nonzero) digits is 874800, while the sum is 51.

The spelling of 56190921594 in words is "fifty-six billion, one hundred ninety million, nine hundred twenty-one thousand, five hundred ninety-four".