55530356 has 12 divisors (see below), whose sum is σ = 111060768. Its totient is φ = 23798712.

The previous prime is 55530341. The next prime is 55530367. The reversal of 55530356 is 65303555.

55530356 is an admirable number.

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, 991586 + ... + 991641.

It is an arithmetic number, because the mean of its divisors is an integer number (9255064).

Almost surely, 2^55530356 is an apocalyptic number.

It is an amenable number.

55530356 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.

55530356 is a wasteful number, since it uses less digits than its factorization.

55530356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983238 (or 1983236 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 32.

The square root of 55530356 is about 7451.8692956868. The cubic root of 55530356 is about 381.5137128790.

The spelling of 55530356 in words is "fifty-five million, five hundred thirty thousand, three hundred fifty-six".