52215308 has 12 divisors (see below), whose sum is σ = 93321312. Its totient is φ = 25552080.

The previous prime is 52215281. The next prime is 52215337. The reversal of 52215308 is 80351225.

52215308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 138683 + ... + 139058.

It is an arithmetic number, because the mean of its divisors is an integer number (7776776).

Almost surely, 2^52215308 is an apocalyptic number.

It is an amenable number.

52215308 is a deficient number, since it is larger than the sum of its proper divisors (41106004).

52215308 is a wasteful number, since it uses less digits than its factorization.

52215308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277792 (or 277790 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 52215308 is about 7226.0160531236. The cubic root of 52215308 is about 373.7655598418.

The spelling of 52215308 in words is "fifty-two million, two hundred fifteen thousand, three hundred eight".