56837573442 has 24 divisors (see below), whose sum is σ = 132621005244. Its totient is φ = 17488484064.

The previous prime is 56837573423. The next prime is 56837573447. The reversal of 56837573442 is 24437573865.

It is a happy number.

56837573442 is a `hidden beast` number, since 5 + 68 + 3 + 7 + 573 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 44969867721 + 11867705721 = 212061^2 + 108939^2 .

It is not an unprimeable number, because it can be changed into a prime (56837573447) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 121447573 + ... + 121448040.

Almost surely, 2^56837573442 is an apocalyptic number.

56837573442 is an abundant number, since it is smaller than the sum of its proper divisors (75783431802).

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

56837573442 is a wasteful number, since it uses less digits than its factorization.

56837573442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242895634 (or 242895631 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 54.

The spelling of 56837573442 in words is "fifty-six billion, eight hundred thirty-seven million, five hundred seventy-three thousand, four hundred forty-two".