52257291 has 8 divisors (see below), whose sum is σ = 69709824. Its totient is φ = 34821480.

The previous prime is 52257281. The next prime is 52257301. The reversal of 52257291 is 19275225.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52257281) and next prime (52257301).

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

It is not a de Polignac number, because 52257291 - 2¹⁸ = 51995147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52257221) 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, 9706 + ... + 14096.

It is an arithmetic number, because the mean of its divisors is an integer number (8713728).

Almost surely, 2^52257291 is an apocalyptic number.

52257291 is a deficient number, since it is larger than the sum of its proper divisors (17452533).

52257291 is a wasteful number, since it uses less digits than its factorization.

52257291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8361.

The product of its digits is 12600, while the sum is 33.

The square root of 52257291 is about 7228.9204588237. The cubic root of 52257291 is about 373.8657066914.

The spelling of 52257291 in words is "fifty-two million, two hundred fifty-seven thousand, two hundred ninety-one".