52617257 has 8 divisors (see below), whose sum is σ = 65600832. Its totient is φ = 41000400.

The previous prime is 52617247. The next prime is 52617259. The reversal of 52617257 is 75271625.

It is a happy number.

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

It is not a de Polignac number, because 52617257 - 2¹² = 52613161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52617259) 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, 341594 + ... + 341747.

It is an arithmetic number, because the mean of its divisors is an integer number (8200104).

Almost surely, 2^52617257 is an apocalyptic number.

It is an amenable number.

52617257 is a deficient number, since it is larger than the sum of its proper divisors (12983575).

52617257 is a wasteful number, since it uses less digits than its factorization.

52617257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683359.

The product of its digits is 29400, while the sum is 35.

The square root of 52617257 is about 7253.7753618374. The cubic root of 52617257 is about 374.7221811917.

The spelling of 52617257 in words is "fifty-two million, six hundred seventeen thousand, two hundred fifty-seven".