52724394 has 12 divisors (see below), whose sum is σ = 114236226. Its totient is φ = 17574792.

The previous prime is 52724393. The next prime is 52724423. The reversal of 52724394 is 49342725.

52724394 is a `hidden beast` number, since 527 + 2 + 43 + 94 = 666.

It can be written as a sum of positive squares in only one way, i.e., 44957025 + 7767369 = 6705^2 + 2787^2 .

It is not an unprimeable number, because it can be changed into a prime (52724393) 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, 1464549 + ... + 1464584.

Almost surely, 2^52724394 is an apocalyptic number.

52724394 is an abundant number, since it is smaller than the sum of its proper divisors (61511832).

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

52724394 is a wasteful number, since it uses less digits than its factorization.

52724394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929141 (or 2929138 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 52724394 is about 7261.1565194534. The cubic root of 52724394 is about 374.9763398406.

The spelling of 52724394 in words is "fifty-two million, seven hundred twenty-four thousand, three hundred ninety-four".