53172715 has 8 divisors (see below), whose sum is σ = 64372608. Its totient is φ = 42161280.

The previous prime is 53172709. The next prime is 53172731. The reversal of 53172715 is 51727135.

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

It is not a de Polignac number, because 53172715 - 2⁵ = 53172683 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46491 + ... + 47620.

It is an arithmetic number, because the mean of its divisors is an integer number (8046576).

Almost surely, 2^53172715 is an apocalyptic number.

53172715 is a deficient number, since it is larger than the sum of its proper divisors (11199893).

53172715 is a wasteful number, since it uses less digits than its factorization.

53172715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94229.

The product of its digits is 7350, while the sum is 31.

The square root of 53172715 is about 7291.9623559094. The cubic root of 53172715 is about 376.0361624907.

The spelling of 53172715 in words is "fifty-three million, one hundred seventy-two thousand, seven hundred fifteen".