55534792320 has 768 divisors, whose sum is σ = 229540147200. Its totient is φ = 12568006656.

The previous prime is 55534792309. The next prime is 55534792337. The reversal of 55534792320 is 2329743555.

55534792320 is a `hidden beast` number, since 5 + 5 + 534 + 7 + 92 + 3 + 20 = 666.

It is a super-2 number, since 2×55534792320² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 151320777 + ... + 151321143.

It is an arithmetic number, because the mean of its divisors is an integer number (298880400).

Almost surely, 2^55534792320 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 55534792320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114770073600).

55534792320 is an abundant number, since it is smaller than the sum of its proper divisors (174005354880).

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

55534792320 is a wasteful number, since it uses less digits than its factorization.

55534792320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 55534792320 in words is "fifty-five billion, five hundred thirty-four million, seven hundred ninety-two thousand, three hundred twenty".