55944630 has 48 divisors (see below), whose sum is σ = 166237344. Its totient is φ = 12787200.

The previous prime is 55944613. The next prime is 55944641. The reversal of 55944630 is 3644955.

It is a happy number.

55944630 is a `hidden beast` number, since 5 + 594 + 4 + 63 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43771 + ... + 45030.

It is an arithmetic number, because the mean of its divisors is an integer number (3463278).

Almost surely, 2^55944630 is an apocalyptic number.

55944630 is an abundant number, since it is smaller than the sum of its proper divisors (110292714).

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

55944630 is a wasteful number, since it uses less digits than its factorization.

55944630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88821 (or 88818 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 55944630 is about 7479.6142948684. The cubic root of 55944630 is about 382.4601009260.

The spelling of 55944630 in words is "fifty-five million, nine hundred forty-four thousand, six hundred thirty".