52716390 has 32 divisors (see below), whose sum is σ = 126752256. Its totient is φ = 14031840.

The previous prime is 52716373. The next prime is 52716401. The reversal of 52716390 is 9361725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19459 + ... + 22001.

It is an arithmetic number, because the mean of its divisors is an integer number (3961008).

Almost surely, 2^52716390 is an apocalyptic number.

52716390 is an abundant number, since it is smaller than the sum of its proper divisors (74035866).

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

52716390 is a wasteful number, since it uses less digits than its factorization.

52716390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 52716390 is about 7260.6053466636. The cubic root of 52716390 is about 374.9573640415.

The spelling of 52716390 in words is "fifty-two million, seven hundred sixteen thousand, three hundred ninety".