52090408 has 8 divisors (see below), whose sum is σ = 97669530. Its totient is φ = 26045200.

The previous prime is 52090403. The next prime is 52090417. The reversal of 52090408 is 80409025.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 38415204 + 13675204 = 6198^2 + 3698^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (52090403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3255643 + ... + 3255658.

Almost surely, 2^52090408 is an apocalyptic number.

It is an amenable number.

52090408 is a deficient number, since it is larger than the sum of its proper divisors (45579122).

52090408 is a wasteful number, since it uses less digits than its factorization.

52090408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6511307 (or 6511303 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 52090408 is about 7217.3684955114. The cubic root of 52090408 is about 373.4673038181.

The spelling of 52090408 in words is "fifty-two million, ninety thousand, four hundred eight".