52492491 has 6 divisors (see below), whose sum is σ = 75822500. Its totient is φ = 34994988.

The previous prime is 52492487. The next prime is 52492493. The reversal of 52492491 is 19429425.

52492491 is a `hidden beast` number, since 524 + 92 + 49 + 1 = 666.

52492491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52492491 - 2² = 52492487 is a prime.

It is a super-2 number, since 2×52492491² = 5510923222770162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52492493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2916241 + ... + 2916258.

Almost surely, 2^52492491 is an apocalyptic number.

52492491 is a deficient number, since it is larger than the sum of its proper divisors (23330009).

52492491 is a wasteful number, since it uses less digits than its factorization.

52492491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5832505 (or 5832502 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 52492491 is about 7245.1701843366. The cubic root of 52492491 is about 374.4257664644.

The spelling of 52492491 in words is "fifty-two million, four hundred ninety-two thousand, four hundred ninety-one".