53746239 has 16 divisors (see below), whose sum is σ = 76372992. Its totient is φ = 33541728.

The previous prime is 53746229. The next prime is 53746247. The reversal of 53746239 is 93264735.

It is not a de Polignac number, because 53746239 - 2⁴ = 53746223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53746197 and 53746206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53746229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5044 + ... + 11529.

It is an arithmetic number, because the mean of its divisors is an integer number (4773312).

Almost surely, 2^53746239 is an apocalyptic number.

53746239 is a deficient number, since it is larger than the sum of its proper divisors (22626753).

53746239 is a wasteful number, since it uses less digits than its factorization.

53746239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16646.

The product of its digits is 136080, while the sum is 39.

The square root of 53746239 is about 7331.1826467494. The cubic root of 53746239 is about 377.3833132037.

The spelling of 53746239 in words is "fifty-three million, seven hundred forty-six thousand, two hundred thirty-nine".