55280720592 has 200 divisors, whose sum is σ = 164717723016. Its totient is φ = 17890689024.

The previous prime is 55280720531. The next prime is 55280720617. The reversal of 55280720592 is 29502708255.

55280720592 is a `hidden beast` number, since 5 + 52 + 8 + 0 + 7 + 2 + 0 + 592 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 30121685136 + 25159035456 = 173556^2 + 158616^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6658588 + ... + 6666884.

Almost surely, 2^55280720592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55280720592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82358861508).

55280720592 is an abundant number, since it is smaller than the sum of its proper divisors (109437002424).

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

55280720592 is a wasteful number, since it uses less digits than its factorization.

55280720592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8467 (or 8452 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 55280720592 in words is "fifty-five billion, two hundred eighty million, seven hundred twenty thousand, five hundred ninety-two".