52732278 has 12 divisors (see below), whose sum is σ = 114253308. Its totient is φ = 17577420.

The previous prime is 52732247. The next prime is 52732313. The reversal of 52732278 is 87223725.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1464768 + ... + 1464803.

It is an arithmetic number, because the mean of its divisors is an integer number (9521109).

Almost surely, 2^52732278 is an apocalyptic number.

52732278 is an abundant number, since it is smaller than the sum of its proper divisors (61521030).

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

52732278 is a wasteful number, since it uses less digits than its factorization.

52732278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929579 (or 2929576 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 52732278 is about 7261.6993878844. The cubic root of 52732278 is about 374.9950292674.

The spelling of 52732278 in words is "fifty-two million, seven hundred thirty-two thousand, two hundred seventy-eight".