52272388 has 12 divisors (see below), whose sum is σ = 104544832. Its totient is φ = 22402440.

The previous prime is 52272361. The next prime is 52272403. The reversal of 52272388 is 88327225.

52272388 is an admirable number.

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, 933408 + ... + 933463.

Almost surely, 2^52272388 is an apocalyptic number.

It is an amenable number.

52272388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52272388 is a wasteful number, since it uses less digits than its factorization.

52272388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866882 (or 1866880 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 52272388 is about 7229.9645918912. The cubic root of 52272388 is about 373.9017061792.

The spelling of 52272388 in words is "fifty-two million, two hundred seventy-two thousand, three hundred eighty-eight".