52381492 has 12 divisors (see below), whose sum is σ = 94145380. Its totient is φ = 25482816.

The previous prime is 52381487. The next prime is 52381507. The reversal of 52381492 is 29418325.

It can be written as a sum of positive squares in 2 ways, for example, as 42981136 + 9400356 = 6556^2 + 3066^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176817 + ... + 177112.

Almost surely, 2^52381492 is an apocalyptic number.

It is an amenable number.

52381492 is a deficient number, since it is larger than the sum of its proper divisors (41763888).

52381492 is a wasteful number, since it uses less digits than its factorization.

52381492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353970 (or 353968 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 52381492 is about 7237.5059240045. The cubic root of 52381492 is about 374.1616638358.

The spelling of 52381492 in words is "fifty-two million, three hundred eighty-one thousand, four hundred ninety-two".