52574139 has 6 divisors (see below), whose sum is σ = 75940436. Its totient is φ = 35049420.

The previous prime is 52574117. The next prime is 52574147. The reversal of 52574139 is 93147525.

52574139 is a `hidden beast` number, since 52 + 574 + 1 + 39 = 666.

It is not a de Polignac number, because 52574139 - 2¹⁵ = 52541371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52574189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2920777 + ... + 2920794.

Almost surely, 2^52574139 is an apocalyptic number.

52574139 is a deficient number, since it is larger than the sum of its proper divisors (23366297).

52574139 is a wasteful number, since it uses less digits than its factorization.

52574139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841577 (or 5841574 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 52574139 is about 7250.8026452249. The cubic root of 52574139 is about 374.6197959834.

The spelling of 52574139 in words is "fifty-two million, five hundred seventy-four thousand, one hundred thirty-nine".