53561238 has 8 divisors (see below), whose sum is σ = 107122488. Its totient is φ = 17853744.

The previous prime is 53561201. The next prime is 53561243. The reversal of 53561238 is 83216535.

53561238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

53561238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 53561199 and 53561208.

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, 4463431 + ... + 4463442.

It is an arithmetic number, because the mean of its divisors is an integer number (13390311).

Almost surely, 2^53561238 is an apocalyptic number.

53561238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53561238 is a wasteful number, since it uses less digits than its factorization.

53561238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8926878.

The product of its digits is 21600, while the sum is 33.

The square root of 53561238 is about 7318.5543654468. The cubic root of 53561238 is about 376.9498158991.

The spelling of 53561238 in words is "fifty-three million, five hundred sixty-one thousand, two hundred thirty-eight".