55630260 has 96 divisors (see below), whose sum is σ = 197809920. Its totient is φ = 12714624.

The previous prime is 55630259. The next prime is 55630279. The reversal of 55630260 is 6203655.

55630260 is a `hidden beast` number, since 5 + 5 + 630 + 26 + 0 = 666.

55630260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3579 + ... + 11138.

It is an arithmetic number, because the mean of its divisors is an integer number (2060520).

Almost surely, 2^55630260 is an apocalyptic number.

It is an amenable number.

55630260 is an abundant number, since it is smaller than the sum of its proper divisors (142179660).

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

55630260 is a wasteful number, since it uses less digits than its factorization.

55630260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14742 (or 14734 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 55630260 is about 7458.5695679534. The cubic root of 55630260 is about 381.7423680643.

The spelling of 55630260 in words is "fifty-five million, six hundred thirty thousand, two hundred sixty".