55231111908 has 36 divisors (see below), whose sum is σ = 159556546240. Its totient is φ = 15780317616.

The previous prime is 55231111883. The next prime is 55231111933. The reversal of 55231111908 is 80911113255.

55231111908 is a `hidden beast` number, since 5 + 523 + 11 + 119 + 0 + 8 = 666.

55231111908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55231111883) and next prime (55231111933).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109585288 + ... + 109585791.

Almost surely, 2^55231111908 is an apocalyptic number.

It is an amenable number.

55231111908 is an abundant number, since it is smaller than the sum of its proper divisors (104325434332).

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

55231111908 is a wasteful number, since it uses less digits than its factorization.

55231111908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219171096 (or 219171091 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The spelling of 55231111908 in words is "fifty-five billion, two hundred thirty-one million, one hundred eleven thousand, nine hundred eight".