55632830 has 32 divisors (see below), whose sum is σ = 112203360. Its totient is φ = 19681920.

The previous prime is 55632803. The next prime is 55632833. The reversal of 55632830 is 3823655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55632833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2765 + ... + 10904.

It is an arithmetic number, because the mean of its divisors is an integer number (3506355).

Almost surely, 2^55632830 is an apocalyptic number.

55632830 is an abundant number, since it is smaller than the sum of its proper divisors (56570530).

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

55632830 is a wasteful number, since it uses less digits than its factorization.

55632830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13724.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 55632830 is about 7458.7418510095. The cubic root of 55632830 is about 381.7482465363.

The spelling of 55632830 in words is "fifty-five million, six hundred thirty-two thousand, eight hundred thirty".