55055252 has 12 divisors (see below), whose sum is σ = 110110560. Its totient is φ = 23595096.

The previous prime is 55055243. The next prime is 55055263. The reversal of 55055252 is 25255055.

It is a happy number.

55055252 is an admirable number.

It is a super-3 number, since 3×55055252³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983102 + ... + 983157.

It is an arithmetic number, because the mean of its divisors is an integer number (9175880).

Almost surely, 2^55055252 is an apocalyptic number.

It is an amenable number.

55055252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55055252 is a wasteful number, since it uses less digits than its factorization.

55055252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966270 (or 1966268 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The square root of 55055252 is about 7419.9226411062. The cubic root of 55055252 is about 380.4225493534.

The spelling of 55055252 in words is "fifty-five million, fifty-five thousand, two hundred fifty-two".