55245252 has 24 divisors (see below), whose sum is σ = 130831456. Its totient is φ = 18139968.

The previous prime is 55245227. The next prime is 55245263. The reversal of 55245252 is 25254255.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33553 + ... + 35160.

Almost surely, 2^55245252 is an apocalyptic number.

It is an amenable number.

55245252 is an abundant number, since it is smaller than the sum of its proper divisors (75586204).

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

55245252 is a wasteful number, since it uses less digits than its factorization.

55245252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68787 (or 68785 counting only the distinct ones).

The product of its digits is 20000, while the sum is 30.

The square root of 55245252 is about 7432.7149817546. The cubic root of 55245252 is about 380.8596695947.

The spelling of 55245252 in words is "fifty-five million, two hundred forty-five thousand, two hundred fifty-two".