55261524320 has 48 divisors (see below), whose sum is σ = 137426693040. Its totient is φ = 20941208064.

The previous prime is 55261524319. The next prime is 55261524481. The reversal of 55261524320 is 2342516255.

It is a congruent number.

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, 9086027 + ... + 9092106.

It is an arithmetic number, because the mean of its divisors is an integer number (2863056105).

Almost surely, 2^55261524320 is an apocalyptic number.

It is an amenable number.

55261524320 is an abundant number, since it is smaller than the sum of its proper divisors (82165168720).

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

55261524320 is a wasteful number, since it uses less digits than its factorization.

55261524320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18178167 (or 18178159 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 55261524320 in words is "fifty-five billion, two hundred sixty-one million, five hundred twenty-four thousand, three hundred twenty".