53933538 has 16 divisors (see below), whose sum is σ = 108029376. Its totient is φ = 17950800.

The previous prime is 53933513. The next prime is 53933543. The reversal of 53933538 is 83533935.

It is a junction number, because it is equal to n+sod(n) for n = 53933496 and 53933505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2206 + ... + 10617.

It is an arithmetic number, because the mean of its divisors is an integer number (6751836).

Almost surely, 2^53933538 is an apocalyptic number.

53933538 is an abundant number, since it is smaller than the sum of its proper divisors (54095838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53933538 is a wasteful number, since it uses less digits than its factorization.

53933538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13529.

The product of its digits is 145800, while the sum is 39.

The square root of 53933538 is about 7343.9456697337. The cubic root of 53933538 is about 377.8211830237.

The spelling of 53933538 in words is "fifty-three million, nine hundred thirty-three thousand, five hundred thirty-eight".