53172886 has 32 divisors (see below), whose sum is σ = 89486208. Its totient is φ = 23537280.

The previous prime is 53172883. The next prime is 53172893. The reversal of 53172886 is 68827135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53172883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64356 + ... + 65176.

It is an arithmetic number, because the mean of its divisors is an integer number (2796444).

Almost surely, 2^53172886 is an apocalyptic number.

53172886 is a deficient number, since it is larger than the sum of its proper divisors (36313322).

53172886 is a wasteful number, since it uses less digits than its factorization.

53172886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

The product of its digits is 80640, while the sum is 40.

The square root of 53172886 is about 7291.9740811388. The cubic root of 53172886 is about 376.0365655929.

The spelling of 53172886 in words is "fifty-three million, one hundred seventy-two thousand, eight hundred eighty-six".