55550500506 has 48 divisors (see below), whose sum is σ = 120686132736. Its totient is φ = 18466646688.

The previous prime is 55550500493. The next prime is 55550500541. The reversal of 55550500506 is 60500505555.

55550500506 is a `hidden beast` number, since 5 + 5 + 550 + 50 + 0 + 50 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11539356 + ... + 11544168.

It is an arithmetic number, because the mean of its divisors is an integer number (2514294432).

Almost surely, 2^55550500506 is an apocalyptic number.

55550500506 is an abundant number, since it is smaller than the sum of its proper divisors (65135632230).

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

55550500506 is a wasteful number, since it uses less digits than its factorization.

55550500506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6427 (or 6424 counting only the distinct ones).

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

The spelling of 55550500506 in words is "fifty-five billion, five hundred fifty million, five hundred thousand, five hundred six".