55210152 has 32 divisors (see below), whose sum is σ = 146145600. Its totient is φ = 17320704.

The previous prime is 55210139. The next prime is 55210193. The reversal of 55210152 is 25101255.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67252 + ... + 68067.

It is an arithmetic number, because the mean of its divisors is an integer number (4567050).

Almost surely, 2^55210152 is an apocalyptic number.

It is an amenable number.

55210152 is an abundant number, since it is smaller than the sum of its proper divisors (90935448).

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

55210152 is a wasteful number, since it uses less digits than its factorization.

55210152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135345 (or 135341 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 55210152 is about 7430.3534236266. The cubic root of 55210152 is about 380.7789929388.

The spelling of 55210152 in words is "fifty-five million, two hundred ten thousand, one hundred fifty-two".