53631239 has 8 divisors (see below), whose sum is σ = 57328992. Its totient is φ = 50047360.

The previous prime is 53631229. The next prime is 53631251. The reversal of 53631239 is 93213635.

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 53631239 - 2¹⁶ = 53565703 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 (53631229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27494 + ... + 29379.

It is an arithmetic number, because the mean of its divisors is an integer number (7166124).

Almost surely, 2^53631239 is an apocalyptic number.

53631239 is a deficient number, since it is larger than the sum of its proper divisors (3697753).

53631239 is a wasteful number, since it uses less digits than its factorization.

53631239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56937.

The product of its digits is 14580, while the sum is 32.

The square root of 53631239 is about 7323.3352374448. The cubic root of 53631239 is about 377.1139605809.

The spelling of 53631239 in words is "fifty-three million, six hundred thirty-one thousand, two hundred thirty-nine".