52451228 has 12 divisors (see below), whose sum is σ = 93924600. Its totient is φ = 25615632.

The previous prime is 52451213. The next prime is 52451249. The reversal of 52451228 is 82215425.

It is a super-2 number, since 2×52451228² = 5502262637415968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52451228.

It is a congruent 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, 152303 + ... + 152646.

It is an arithmetic number, because the mean of its divisors is an integer number (7827050).

Almost surely, 2^52451228 is an apocalyptic number.

It is an amenable number.

52451228 is a deficient number, since it is larger than the sum of its proper divisors (41473372).

52451228 is a wasteful number, since it uses less digits than its factorization.

52451228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304996 (or 304994 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 52451228 is about 7242.3220033357. The cubic root of 52451228 is about 374.3276319177.

The spelling of 52451228 in words is "fifty-two million, four hundred fifty-one thousand, two hundred twenty-eight".