55231008 has 48 divisors (see below), whose sum is σ = 165695040. Its totient is φ = 15780096.

The previous prime is 55230953. The next prime is 55231009. The reversal of 55231008 is 80013255.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (55231009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40423 + ... + 41766.

It is an arithmetic number, because the mean of its divisors is an integer number (3451980).

Almost surely, 2^55231008 is an apocalyptic number.

It is an amenable number.

55231008 is an abundant number, since it is smaller than the sum of its proper divisors (110464032).

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

55231008 is a wasteful number, since it uses less digits than its factorization.

55231008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82209 (or 82201 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 55231008 is about 7431.7567236825. The cubic root of 55231008 is about 380.8269341634.

The spelling of 55231008 in words is "fifty-five million, two hundred thirty-one thousand, eight".