52492490 has 16 divisors (see below), whose sum is σ = 95897952. Its totient is φ = 20683344.

The previous prime is 52492487. The next prime is 52492493. The reversal of 52492490 is 9429425.

It is an interprime number because it is at equal distance from previous prime (52492487) and next prime (52492493).

It is a self number, because there is not a number n which added to its sum of digits gives 52492490.

It is not an unprimeable number, because it can be changed into a prime (52492493) 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, 38504 + ... + 39843.

It is an arithmetic number, because the mean of its divisors is an integer number (5993622).

Almost surely, 2^52492490 is an apocalyptic number.

52492490 is a deficient number, since it is larger than the sum of its proper divisors (43405462).

52492490 is a wasteful number, since it uses less digits than its factorization.

52492490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78421.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 52492490 is about 7245.1701153251. The cubic root of 52492490 is about 374.4257640868.

The spelling of 52492490 in words is "fifty-two million, four hundred ninety-two thousand, four hundred ninety".