53440172 has 12 divisors (see below), whose sum is σ = 93604896. Its totient is φ = 26695920.

The previous prime is 53440169. The next prime is 53440183. The reversal of 53440172 is 27104435.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503 + ... + 10350.

It is an arithmetic number, because the mean of its divisors is an integer number (7800408).

Almost surely, 2^53440172 is an apocalyptic number.

It is an amenable number.

53440172 is a deficient number, since it is larger than the sum of its proper divisors (40164724).

53440172 is a wasteful number, since it uses less digits than its factorization.

53440172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12088 (or 12086 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 53440172 is about 7310.2785172659. The cubic root of 53440172 is about 376.6655914902.

The spelling of 53440172 in words is "fifty-three million, four hundred forty thousand, one hundred seventy-two".