55321252 has 24 divisors (see below), whose sum is σ = 110897024. Its totient is φ = 23654592.

The previous prime is 55321223. The next prime is 55321271. The reversal of 55321252 is 25212355.

It is a happy number.

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, 11608 + ... + 15664.

Almost surely, 2^55321252 is an apocalyptic number.

It is an amenable number.

55321252 is an abundant number, since it is smaller than the sum of its proper divisors (55575772).

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

55321252 is a wasteful number, since it uses less digits than its factorization.

55321252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4555 (or 4553 counting only the distinct ones).

The product of its digits is 3000, while the sum is 25.

The square root of 55321252 is about 7437.8257575719. The cubic root of 55321252 is about 381.0342370659.

The spelling of 55321252 in words is "fifty-five million, three hundred twenty-one thousand, two hundred fifty-two".