53639542 has 36 divisors (see below), whose sum is σ = 92671740. Its totient is φ = 23265880.

The previous prime is 53639513. The next prime is 53639561. The reversal of 53639542 is 24593635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 127809 + ... + 128227.

It is an arithmetic number, because the mean of its divisors is an integer number (2574215).

Almost surely, 2^53639542 is an apocalyptic number.

53639542 is a deficient number, since it is larger than the sum of its proper divisors (39032198).

53639542 is a wasteful number, since it uses less digits than its factorization.

53639542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 455 counting only the distinct ones).

The product of its digits is 97200, while the sum is 37.

The square root of 53639542 is about 7323.9021020218. The cubic root of 53639542 is about 377.1334207295.

The spelling of 53639542 in words is "fifty-three million, six hundred thirty-nine thousand, five hundred forty-two".