55442736804 has 48 divisors (see below), whose sum is σ = 159220170368. Its totient is φ = 14622259968.

The previous prime is 55442736799. The next prime is 55442736821. The reversal of 55442736804 is 40863724455.

It is a super-2 number, since 2×55442736804² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25384777 + ... + 25386960.

Almost surely, 2^55442736804 is an apocalyptic number.

It is an amenable number.

55442736804 is an abundant number, since it is smaller than the sum of its proper divisors (103777433564).

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

55442736804 is a wasteful number, since it uses less digits than its factorization.

55442736804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50771764 (or 50771762 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 55442736804 in words is "fifty-five billion, four hundred forty-two million, seven hundred thirty-six thousand, eight hundred four".