52740452 has 12 divisors (see below), whose sum is σ = 93247980. Its totient is φ = 26098176.

The previous prime is 52740361. The next prime is 52740461. The reversal of 52740452 is 25404725.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37871716 + 14868736 = 6154^2 + 3856^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67577 + ... + 68352.

It is an arithmetic number, because the mean of its divisors is an integer number (7770665).

Almost surely, 2^52740452 is an apocalyptic number.

It is an amenable number.

52740452 is a deficient number, since it is larger than the sum of its proper divisors (40507528).

52740452 is a wasteful number, since it uses less digits than its factorization.

52740452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136030 (or 136028 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 52740452 is about 7262.2621819926. The cubic root of 52740452 is about 375.0144041875.

The spelling of 52740452 in words is "fifty-two million, seven hundred forty thousand, four hundred fifty-two".