52621928 has 16 divisors (see below), whose sum is σ = 98940480. Its totient is φ = 26237808.

The previous prime is 52621927. The next prime is 52621931. The reversal of 52621928 is 82912625.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52621927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6026 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (6183780).

Almost surely, 2^52621928 is an apocalyptic number.

It is an amenable number.

52621928 is a deficient number, since it is larger than the sum of its proper divisors (46318552).

52621928 is a wasteful number, since it uses less digits than its factorization.

52621928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18296 (or 18292 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

The square root of 52621928 is about 7254.0973249606. The cubic root of 52621928 is about 374.7332692872.

The spelling of 52621928 in words is "fifty-two million, six hundred twenty-one thousand, nine hundred twenty-eight".