55040152 has 32 divisors (see below), whose sum is σ = 110380320. Its totient is φ = 25638400.

The previous prime is 55040147. The next prime is 55040179. The reversal of 55040152 is 25104055.

55040152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11733 + ... + 15739.

It is an arithmetic number, because the mean of its divisors is an integer number (3449385).

Almost surely, 2^55040152 is an apocalyptic number.

It is an amenable number.

55040152 is an abundant number, since it is smaller than the sum of its proper divisors (55340168).

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

55040152 is a wasteful number, since it uses less digits than its factorization.

55040152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131 (or 4127 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 55040152 is about 7418.9050405029. The cubic root of 55040152 is about 380.3877666848.

The spelling of 55040152 in words is "fifty-five million, forty thousand, one hundred fifty-two".