52231628 has 12 divisors (see below), whose sum is σ = 91662480. Its totient is φ = 26042352.

The previous prime is 52231607. The next prime is 52231631. The reversal of 52231628 is 82613225.

It is a self number, because there is not a number n which added to its sum of digits gives 52231628.

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, 16751 + ... + 19622.

It is an arithmetic number, because the mean of its divisors is an integer number (7638540).

Almost surely, 2^52231628 is an apocalyptic number.

It is an amenable number.

52231628 is a deficient number, since it is larger than the sum of its proper divisors (39430852).

52231628 is a wasteful number, since it uses less digits than its factorization.

52231628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36736 (or 36734 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 52231628 is about 7227.1452178575. The cubic root of 52231628 is about 373.8044961792.

The spelling of 52231628 in words is "fifty-two million, two hundred thirty-one thousand, six hundred twenty-eight".