53172359 has 4 divisors (see below), whose sum is σ = 53698920. Its totient is φ = 52645800.

The previous prime is 53172349. The next prime is 53172403. The reversal of 53172359 is 95327135.

It is a happy number.

53172359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53172359 - 2⁸ = 53172103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53172349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 263129 + ... + 263330.

It is an arithmetic number, because the mean of its divisors is an integer number (13424730).

Almost surely, 2^53172359 is an apocalyptic number.

53172359 is a deficient number, since it is larger than the sum of its proper divisors (526561).

53172359 is a wasteful number, since it uses less digits than its factorization.

53172359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526560.

The product of its digits is 28350, while the sum is 35.

The square root of 53172359 is about 7291.9379454299. The cubic root of 53172359 is about 376.0353232810.

The spelling of 53172359 in words is "fifty-three million, one hundred seventy-two thousand, three hundred fifty-nine".