55523234880 has 504 divisors, whose sum is σ = 213609814080. Its totient is φ = 13198049280.

The previous prime is 55523234867. The next prime is 55523234891. The reversal of 55523234880 is 8843232555.

55523234880 is a `hidden beast` number, since 5 + 5 + 523 + 2 + 3 + 48 + 80 = 666.

It is a super-2 number, since 2×55523234880² (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 71 ways as a sum of consecutive naturals, for example, 15812325 + ... + 15815835.

Almost surely, 2^55523234880 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 55523234880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106804907040).

55523234880 is an abundant number, since it is smaller than the sum of its proper divisors (158086579200).

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

55523234880 is a wasteful number, since it uses less digits than its factorization.

55523234880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3587 (or 3557 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 55523234880 in words is "fifty-five billion, five hundred twenty-three million, two hundred thirty-four thousand, eight hundred eighty".