52390808 has 16 divisors (see below), whose sum is σ = 98837880. Its totient is φ = 26034048.

The previous prime is 52390799. The next prime is 52390817. The reversal of 52390808 is 80809325.

It is an interprime number because it is at equal distance from previous prime (52390799) and next prime (52390817).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 18785 + ... + 21392.

Almost surely, 2^52390808 is an apocalyptic number.

It is an amenable number.

52390808 is a deficient number, since it is larger than the sum of its proper divisors (46447072).

52390808 is a wasteful number, since it uses less digits than its factorization.

52390808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40346 (or 40342 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 52390808 is about 7238.1494872654. The cubic root of 52390808 is about 374.1838439564.

The spelling of 52390808 in words is "fifty-two million, three hundred ninety thousand, eight hundred eight".