55510005020 has 12 divisors (see below), whose sum is σ = 116571010584. Its totient is φ = 22204002000.

The previous prime is 55510004993. The next prime is 55510005043. The reversal of 55510005020 is 2050001555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387750106 + ... + 1387750145.

It is an arithmetic number, because the mean of its divisors is an integer number (9714250882).

Almost surely, 2^55510005020 is an apocalyptic number.

It is an amenable number.

55510005020 is an abundant number, since it is smaller than the sum of its proper divisors (61061005564).

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

55510005020 is a wasteful number, since it uses less digits than its factorization.

55510005020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775500260 (or 2775500258 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

Adding to 55510005020 its reverse (2050001555), we get a palindrome (57560006575).

The spelling of 55510005020 in words is "fifty-five billion, five hundred ten million, five thousand, twenty".