52251788 has 12 divisors (see below), whose sum is σ = 91790160. Its totient is φ = 26026032.

The previous prime is 52251779. The next prime is 52251803. The reversal of 52251788 is 88715225.

It is a happy 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, 23783 + ... + 25886.

It is an arithmetic number, because the mean of its divisors is an integer number (7649180).

Almost surely, 2^52251788 is an apocalyptic number.

It is an amenable number.

52251788 is a deficient number, since it is larger than the sum of its proper divisors (39538372).

52251788 is a wasteful number, since it uses less digits than its factorization.

52251788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49936 (or 49934 counting only the distinct ones).

The product of its digits is 44800, while the sum is 38.

The square root of 52251788 is about 7228.5398248886. The cubic root of 52251788 is about 373.8525828117.

The spelling of 52251788 in words is "fifty-two million, two hundred fifty-one thousand, seven hundred eighty-eight".