52522257 has 8 divisors (see below), whose sum is σ = 70182784. Its totient is φ = 34938288.

The previous prime is 52522241. The next prime is 52522273. The reversal of 52522257 is 75222525.

It is an interprime number because it is at equal distance from previous prime (52522241) and next prime (52522273).

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

It is not a de Polignac number, because 52522257 - 2⁴ = 52522241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52522207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17518 + ... + 20295.

It is an arithmetic number, because the mean of its divisors is an integer number (8772848).

Almost surely, 2^52522257 is an apocalyptic number.

It is an amenable number.

52522257 is a deficient number, since it is larger than the sum of its proper divisors (17660527).

52522257 is a wasteful number, since it uses less digits than its factorization.

52522257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38279.

The product of its digits is 14000, while the sum is 30.

The square root of 52522257 is about 7247.2240892634. The cubic root of 52522257 is about 374.4965261178.

The spelling of 52522257 in words is "fifty-two million, five hundred twenty-two thousand, two hundred fifty-seven".