52863390 has 24 divisors (see below), whose sum is σ = 137445048. Its totient is φ = 14096880.

The previous prime is 52863389. The next prime is 52863397. The reversal of 52863390 is 9336825.

52863390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52863397) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 293596 + ... + 293775.

It is an arithmetic number, because the mean of its divisors is an integer number (5726877).

Almost surely, 2^52863390 is an apocalyptic number.

52863390 is an abundant number, since it is smaller than the sum of its proper divisors (84581658).

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

52863390 is a wasteful number, since it uses less digits than its factorization.

52863390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587384 (or 587381 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 52863390 is about 7270.7214222524. The cubic root of 52863390 is about 375.3055642803.

The spelling of 52863390 in words is "fifty-two million, eight hundred sixty-three thousand, three hundred ninety".