52122257 has 8 divisors (see below), whose sum is σ = 57546720. Its totient is φ = 46812160.

The previous prime is 52122241. The next prime is 52122269. The reversal of 52122257 is 75222125.

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 52122257 - 2⁴ = 52122241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52122277) 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, 27632 + ... + 29457.

It is an arithmetic number, because the mean of its divisors is an integer number (7193340).

Almost surely, 2^52122257 is an apocalyptic number.

It is an amenable number.

52122257 is a deficient number, since it is larger than the sum of its proper divisors (5424463).

52122257 is a wasteful number, since it uses less digits than its factorization.

52122257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57183.

The product of its digits is 2800, while the sum is 26.

The square root of 52122257 is about 7219.5745719537. The cubic root of 52122257 is about 373.5434031568.

The spelling of 52122257 in words is "fifty-two million, one hundred twenty-two thousand, two hundred fifty-seven".