52057247 has 16 divisors (see below), whose sum is σ = 61420032. Its totient is φ = 43585920.

The previous prime is 52057237. The next prime is 52057253. The reversal of 52057247 is 74275025.

It is not a de Polignac number, because 52057247 - 2⁴ = 52057231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52057237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5828 + ... + 11750.

It is an arithmetic number, because the mean of its divisors is an integer number (3838752).

Almost surely, 2^52057247 is an apocalyptic number.

52057247 is a deficient number, since it is larger than the sum of its proper divisors (9362785).

52057247 is a wasteful number, since it uses less digits than its factorization.

52057247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 52057247 is about 7215.0708243232. The cubic root of 52057247 is about 373.3880366447.

The spelling of 52057247 in words is "fifty-two million, fifty-seven thousand, two hundred forty-seven".