52978252 has 6 divisors (see below), whose sum is σ = 92711948. Its totient is φ = 26489124.

The previous prime is 52978249. The next prime is 52978253. The reversal of 52978252 is 25287925.

It is not an unprimeable number, because it can be changed into a prime (52978253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6622278 + ... + 6622285.

Almost surely, 2^52978252 is an apocalyptic number.

It is an amenable number.

52978252 is a deficient number, since it is larger than the sum of its proper divisors (39733696).

52978252 is a wasteful number, since it uses less digits than its factorization.

52978252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13244567 (or 13244565 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 52978252 is about 7278.6160772499. The cubic root of 52978252 is about 375.5771899637.

The spelling of 52978252 in words is "fifty-two million, nine hundred seventy-eight thousand, two hundred fifty-two".