55012252 has 12 divisors (see below), whose sum is σ = 96404896. Its totient is φ = 27468000.

The previous prime is 55012247. The next prime is 55012253. The reversal of 55012252 is 25221055.

It is a super-2 number, since 2×55012252² = 6052695740223008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55012253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6153 + ... + 12160.

Almost surely, 2^55012252 is an apocalyptic number.

It is an amenable number.

55012252 is a deficient number, since it is larger than the sum of its proper divisors (41392644).

55012252 is a wasteful number, since it uses less digits than its factorization.

55012252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19068 (or 19066 counting only the distinct ones).

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

The square root of 55012252 is about 7417.0244707699. The cubic root of 55012252 is about 380.3234826302.

The spelling of 55012252 in words is "fifty-five million, twelve thousand, two hundred fifty-two".