53261172 has 24 divisors (see below), whose sum is σ = 138084800. Its totient is φ = 17753688.

The previous prime is 53261171. The next prime is 53261177. The reversal of 53261172 is 27116235.

It is a happy number.

53261172 is a `hidden beast` number, since 532 + 61 + 1 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53261171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246472 + ... + 246687.

Almost surely, 2^53261172 is an apocalyptic number.

It is an amenable number.

53261172 is an abundant number, since it is smaller than the sum of its proper divisors (84823628).

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

53261172 is a wasteful number, since it uses less digits than its factorization.

53261172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493172 (or 493164 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 53261172 is about 7298.0252123434. The cubic root of 53261172 is about 376.2445688925.

The spelling of 53261172 in words is "fifty-three million, two hundred sixty-one thousand, one hundred seventy-two".