52621472 has 12 divisors (see below), whose sum is σ = 103598586. Its totient is φ = 26310720.

The previous prime is 52621463. The next prime is 52621483. The reversal of 52621472 is 27412625.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 51782416 + 839056 = 7196^2 + 916^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 822179 + ... + 822242.

Almost surely, 2^52621472 is an apocalyptic number.

It is an amenable number.

52621472 is a deficient number, since it is larger than the sum of its proper divisors (50977114).

52621472 is a wasteful number, since it uses less digits than its factorization.

52621472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644431 (or 1644423 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 52621472 is about 7254.0658943795. The cubic root of 52621472 is about 374.7321868559.

The spelling of 52621472 in words is "fifty-two million, six hundred twenty-one thousand, four hundred seventy-two".