55837897072 has 40 divisors (see below), whose sum is σ = 113904830160. Its totient is φ = 26443745280.

The previous prime is 55837897069. The next prime is 55837897133. The reversal of 55837897072 is 27079873855.

It is a self number, because there is not a number n which added to its sum of digits gives 55837897072.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1581888 + ... + 1616800.

It is an arithmetic number, because the mean of its divisors is an integer number (2847620754).

Almost surely, 2^55837897072 is an apocalyptic number.

It is an amenable number.

55837897072 is an abundant number, since it is smaller than the sum of its proper divisors (58066933088).

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

55837897072 is a wasteful number, since it uses less digits than its factorization.

55837897072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40201 (or 40195 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 61.

The spelling of 55837897072 in words is "fifty-five billion, eight hundred thirty-seven million, eight hundred ninety-seven thousand, seventy-two".