52268857 has 4 divisors (see below), whose sum is σ = 54541440. Its totient is φ = 49996276.

The previous prime is 52268831. The next prime is 52268873. The reversal of 52268857 is 75886225.

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 a de Polignac number, because none of the positive numbers 2^k-52268857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52262857) 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, 1136257 + ... + 1136302.

It is an arithmetic number, because the mean of its divisors is an integer number (13635360).

Almost surely, 2^52268857 is an apocalyptic number.

It is an amenable number.

52268857 is a deficient number, since it is larger than the sum of its proper divisors (2272583).

52268857 is a wasteful number, since it uses less digits than its factorization.

52268857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272582.

The product of its digits is 268800, while the sum is 43.

The square root of 52268857 is about 7229.7203957000. The cubic root of 52268857 is about 373.8932869690.

The spelling of 52268857 in words is "fifty-two million, two hundred sixty-eight thousand, eight hundred fifty-seven".