55500461520 has 240 divisors, whose sum is σ = 202127384448. Its totient is φ = 12559948800.

The previous prime is 55500461479. The next prime is 55500461543. The reversal of 55500461520 is 2516400555.

55500461520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1164397 + ... + 1211123.

Almost surely, 2^55500461520 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 55500461520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101063692224).

55500461520 is an abundant number, since it is smaller than the sum of its proper divisors (146626922928).

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

55500461520 is a wasteful number, since it uses less digits than its factorization.

55500461520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46858 (or 46845 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 55500461520 in words is "fifty-five billion, five hundred million, four hundred sixty-one thousand, five hundred twenty".