55155352 has 16 divisors (see below), whose sum is σ = 118190160. Its totient is φ = 23637984.

The previous prime is 55155349. The next prime is 55155377. The reversal of 55155352 is 25355155.

It is a happy number.

It is a super-2 number, since 2×55155352² = 6084225708487808, which contains 22 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, 492403 + ... + 492514.

It is an arithmetic number, because the mean of its divisors is an integer number (7386885).

Almost surely, 2^55155352 is an apocalyptic number.

It is an amenable number.

55155352 is an abundant number, since it is smaller than the sum of its proper divisors (63034808).

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

55155352 is a wasteful number, since it uses less digits than its factorization.

55155352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984930 (or 984926 counting only the distinct ones).

The product of its digits is 18750, while the sum is 31.

The square root of 55155352 is about 7426.6649311787. The cubic root of 55155352 is about 380.6529678283.

The spelling of 55155352 in words is "fifty-five million, one hundred fifty-five thousand, three hundred fifty-two".