52490816 has 28 divisors (see below), whose sum is σ = 119042688. Its totient is φ = 22495872.

The previous prime is 52490813. The next prime is 52490833. The reversal of 52490816 is 61809425.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (52490813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58136 + ... + 59031.

Almost surely, 2^52490816 is an apocalyptic number.

52490816 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52490816 is an abundant number, since it is smaller than the sum of its proper divisors (66551872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52490816 is a wasteful number, since it uses less digits than its factorization.

52490816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117186 (or 117176 counting only the distinct ones).

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

The square root of 52490816 is about 7245.0545891663. The cubic root of 52490816 is about 374.4217838641.

The spelling of 52490816 in words is "fifty-two million, four hundred ninety thousand, eight hundred sixteen".