52567257 has 8 divisors (see below), whose sum is σ = 70125376. Its totient is φ = 35026992.

The previous prime is 52567241. The next prime is 52567271. The reversal of 52567257 is 75276525.

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

It is not a de Polignac number, because 52567257 - 2⁴ = 52567241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52567237) 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, 5748 + ... + 11754.

It is an arithmetic number, because the mean of its divisors is an integer number (8765672).

Almost surely, 2^52567257 is an apocalyptic number.

It is an amenable number.

52567257 is a deficient number, since it is larger than the sum of its proper divisors (17558119).

52567257 is a wasteful number, since it uses less digits than its factorization.

52567257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8927.

The product of its digits is 147000, while the sum is 39.

The square root of 52567257 is about 7250.3280615431. The cubic root of 52567257 is about 374.6034492523.

The spelling of 52567257 in words is "fifty-two million, five hundred sixty-seven thousand, two hundred fifty-seven".