53137251 has 12 divisors (see below), whose sum is σ = 79400880. Its totient is φ = 34203120.

The previous prime is 53137241. The next prime is 53137261. The reversal of 53137251 is 15273135.

It is an interprime number because it is at equal distance from previous prime (53137241) and next prime (53137261).

It is not a de Polignac number, because 53137251 - 2⁵ = 53137219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53137241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101535 + ... + 102056.

It is an arithmetic number, because the mean of its divisors is an integer number (6616740).

Almost surely, 2^53137251 is an apocalyptic number.

53137251 is a deficient number, since it is larger than the sum of its proper divisors (26263629).

53137251 is a wasteful number, since it uses less digits than its factorization.

53137251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203626 (or 203623 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 53137251 is about 7289.5302317776. The cubic root of 53137251 is about 375.9525437126.

The spelling of 53137251 in words is "fifty-three million, one hundred thirty-seven thousand, two hundred fifty-one".