52193538 has 16 divisors (see below), whose sum is σ = 115985760. Its totient is φ = 17397828.

The previous prime is 52193507. The next prime is 52193539. The reversal of 52193538 is 83539125.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52193539) 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, 483220 + ... + 483327.

It is an arithmetic number, because the mean of its divisors is an integer number (7249110).

Almost surely, 2^52193538 is an apocalyptic number.

52193538 is an abundant number, since it is smaller than the sum of its proper divisors (63792222).

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

52193538 is a wasteful number, since it uses less digits than its factorization.

52193538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966558 (or 966552 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 52193538 is about 7224.5095335254. The cubic root of 52193538 is about 373.7136082358.

The spelling of 52193538 in words is "fifty-two million, one hundred ninety-three thousand, five hundred thirty-eight".