55630375 has 32 divisors (see below), whose sum is σ = 75209472. Its totient is φ = 40921600.

The previous prime is 55630349. The next prime is 55630387. The reversal of 55630375 is 57303655.

55630375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55630375 - 2⁷ = 55630247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55630375.

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, 99597 + ... + 100153.

It is an arithmetic number, because the mean of its divisors is an integer number (2350296).

Almost surely, 2^55630375 is an apocalyptic number.

55630375 is a deficient number, since it is larger than the sum of its proper divisors (19579097).

55630375 is a wasteful number, since it uses less digits than its factorization.

55630375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 55630375 is about 7458.5772772024. The cubic root of 55630375 is about 381.7426311126.

The spelling of 55630375 in words is "fifty-five million, six hundred thirty thousand, three hundred seventy-five".