56121823354 has 16 divisors (see below), whose sum is σ = 85343878368. Its totient is φ = 27676175152.

The previous prime is 56121823349. The next prime is 56121823399. The reversal of 56121823354 is 45332812165.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529069 + ... + 626224.

It is an arithmetic number, because the mean of its divisors is an integer number (5333992398).

Almost surely, 2^56121823354 is an apocalyptic number.

56121823354 is a deficient number, since it is larger than the sum of its proper divisors (29222055014).

56121823354 is a wasteful number, since it uses less digits than its factorization.

56121823354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155629.

The product of its digits is 172800, while the sum is 40.

The spelling of 56121823354 in words is "fifty-six billion, one hundred twenty-one million, eight hundred twenty-three thousand, three hundred fifty-four".