53172599 has 2 divisors, whose sum is σ = 53172600. Its totient is φ = 53172598.

The previous prime is 53172571. The next prime is 53172653. The reversal of 53172599 is 99527135.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53172599 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53172569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26586299 + 26586300.

It is an arithmetic number, because the mean of its divisors is an integer number (26586300).

Almost surely, 2^53172599 is an apocalyptic number.

53172599 is a deficient number, since it is larger than the sum of its proper divisors (1).

53172599 is an equidigital number, since it uses as much as digits as its factorization.

53172599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 85050, while the sum is 41.

The square root of 53172599 is about 7291.9544019419. The cubic root of 53172599 is about 376.0358890407.

The spelling of 53172599 in words is "fifty-three million, one hundred seventy-two thousand, five hundred ninety-nine".