53256630 has 48 divisors (see below), whose sum is σ = 148687920. Its totient is φ = 12172608.

The previous prime is 53256629. The next prime is 53256647. The reversal of 53256630 is 3665235.

53256630 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 (30).

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 16645 + ... + 19584.

It is an arithmetic number, because the mean of its divisors is an integer number (3097665).

Almost surely, 2^53256630 is an apocalyptic number.

53256630 is an abundant number, since it is smaller than the sum of its proper divisors (95431290).

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

53256630 is a wasteful number, since it uses less digits than its factorization.

53256630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36253 (or 36246 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 53256630 is about 7297.7140256384. The cubic root of 53256630 is about 376.2338734750.

The spelling of 53256630 in words is "fifty-three million, two hundred fifty-six thousand, six hundred thirty".