52552257 has 4 divisors (see below), whose sum is σ = 70069680. Its totient is φ = 35034836.

The previous prime is 52552249. The next prime is 52552267. The reversal of 52552257 is 75225525.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52552257 - 2³ = 52552249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52552207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8758707 + ... + 8758712.

It is an arithmetic number, because the mean of its divisors is an integer number (17517420).

Almost surely, 2^52552257 is an apocalyptic number.

It is an amenable number.

52552257 is a deficient number, since it is larger than the sum of its proper divisors (17517423).

52552257 is a wasteful number, since it uses less digits than its factorization.

52552257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17517422.

The product of its digits is 35000, while the sum is 33.

The square root of 52552257 is about 7249.2935517883. The cubic root of 52552257 is about 374.5678149899.

The spelling of 52552257 in words is "fifty-two million, five hundred fifty-two thousand, two hundred fifty-seven".