52272257 has 8 divisors (see below), whose sum is σ = 53562600. Its totient is φ = 50993280.

The previous prime is 52272251. The next prime is 52272271. The reversal of 52272257 is 75227225.

It can be written as a sum of positive squares in 4 ways, for example, as 201601 + 52070656 = 449^2 + 7216^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52272257 - 2¹⁴ = 52255873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52272251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6869 + ... + 12317.

It is an arithmetic number, because the mean of its divisors is an integer number (6695325).

Almost surely, 2^52272257 is an apocalyptic number.

It is an amenable number.

52272257 is a deficient number, since it is larger than the sum of its proper divisors (1290343).

52272257 is a wasteful number, since it uses less digits than its factorization.

52272257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5683.

The product of its digits is 19600, while the sum is 32.

The square root of 52272257 is about 7229.9555323667. The cubic root of 52272257 is about 373.9013938335.

The spelling of 52272257 in words is "fifty-two million, two hundred seventy-two thousand, two hundred fifty-seven".