52215762 has 24 divisors (see below), whose sum is σ = 110221776. Its totient is φ = 16488504.

The previous prime is 52215739. The next prime is 52215763. The reversal of 52215762 is 26751225.

It is not an unprimeable number, because it can be changed into a prime (52215763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9888 + ... + 14219.

It is an arithmetic number, because the mean of its divisors is an integer number (4592574).

Almost surely, 2^52215762 is an apocalyptic number.

52215762 is an abundant number, since it is smaller than the sum of its proper divisors (58006014).

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

52215762 is a wasteful number, since it uses less digits than its factorization.

52215762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24150 (or 24131 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 52215762 is about 7226.0474673226. The cubic root of 52215762 is about 373.7666431070.

Adding to 52215762 its reverse (26751225), we get a palindrome (78966987).

The spelling of 52215762 in words is "fifty-two million, two hundred fifteen thousand, seven hundred sixty-two".