53172365 has 8 divisors (see below), whose sum is σ = 64266720. Its totient is φ = 42231312.

The previous prime is 53172349. The next prime is 53172403. The reversal of 53172365 is 56327135.

53172365 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.

It is a cyclic number.

It is not a de Polignac number, because 53172365 - 2⁴ = 53172349 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 37559 + ... + 38948.

It is an arithmetic number, because the mean of its divisors is an integer number (8033340).

Almost surely, 2^53172365 is an apocalyptic number.

It is an amenable number.

53172365 is a deficient number, since it is larger than the sum of its proper divisors (11094355).

53172365 is a wasteful number, since it uses less digits than its factorization.

53172365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76651.

The product of its digits is 18900, while the sum is 32.

The square root of 53172365 is about 7291.9383568431. The cubic root of 53172365 is about 376.0353374250.

The spelling of 53172365 in words is "fifty-three million, one hundred seventy-two thousand, three hundred sixty-five".