56398133022 has 64 divisors (see below), whose sum is σ = 142409318400. Its totient is φ = 14463427680.

The previous prime is 56398133021. The next prime is 56398133059. The reversal of 56398133022 is 22033189365.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56398133021) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 736122 + ... + 809117.

It is an arithmetic number, because the mean of its divisors is an integer number (2225145600).

Almost surely, 2^56398133022 is an apocalyptic number.

56398133022 is an abundant number, since it is smaller than the sum of its proper divisors (86011185378).

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

56398133022 is a wasteful number, since it uses less digits than its factorization.

56398133022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545341.

The product of its (nonzero) digits is 233280, while the sum is 42.

It can be divided in two parts, 56398 and 133022, that added together give a triangular number (189420 = T₆₁₅).

The spelling of 56398133022 in words is "fifty-six billion, three hundred ninety-eight million, one hundred thirty-three thousand, twenty-two".