55630452 has 12 divisors (see below), whose sum is σ = 129804416. Its totient is φ = 18543480.

The previous prime is 55630427. The next prime is 55630483. The reversal of 55630452 is 25403655.

55630452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 2317924 + ... + 2317947.

Almost surely, 2^55630452 is an apocalyptic number.

It is an amenable number.

55630452 is an abundant number, since it is smaller than the sum of its proper divisors (74173964).

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

55630452 is a wasteful number, since it uses less digits than its factorization.

55630452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4635878 (or 4635876 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 55630452 is about 7458.5824390430. The cubic root of 55630452 is about 381.7428072405.

The spelling of 55630452 in words is "fifty-five million, six hundred thirty thousand, four hundred fifty-two".