55305552510 has 144 divisors (see below), whose sum is σ = 157139611200. Its totient is φ = 13488374016.

The previous prime is 55305552503. The next prime is 55305552529. The reversal of 55305552510 is 1525550355.

55305552510 is a `hidden beast` number, since 5 + 53 + 0 + 5 + 552 + 51 + 0 = 666.

It is a congruent number.

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, 1641211 + ... + 1674569.

It is an arithmetic number, because the mean of its divisors is an integer number (1091247300).

Almost surely, 2^55305552510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55305552510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78569805600).

55305552510 is an abundant number, since it is smaller than the sum of its proper divisors (101834058690).

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

55305552510 is a wasteful number, since it uses less digits than its factorization.

55305552510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33507 (or 33491 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 36.

The spelling of 55305552510 in words is "fifty-five billion, three hundred five million, five hundred fifty-two thousand, five hundred ten".