52290764 has 12 divisors (see below), whose sum is σ = 91597800. Its totient is φ = 26119968.

The previous prime is 52290751. The next prime is 52290767. The reversal of 52290764 is 46709225.

It is not an unprimeable number, because it can be changed into a prime (52290767) 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, 1274 + ... + 10305.

It is an arithmetic number, because the mean of its divisors is an integer number (7633150).

Almost surely, 2^52290764 is an apocalyptic number.

It is an amenable number.

52290764 is a deficient number, since it is larger than the sum of its proper divisors (39307036).

52290764 is a wasteful number, since it uses less digits than its factorization.

52290764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12712 (or 12710 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 52290764 is about 7231.2353024915. The cubic root of 52290764 is about 373.9455152407.

Adding to 52290764 its reverse (46709225), we get a palindrome (98999989).

The spelling of 52290764 in words is "fifty-two million, two hundred ninety thousand, seven hundred sixty-four".