52918257 has 16 divisors (see below), whose sum is σ = 80783360. Its totient is φ = 30184272.

The previous prime is 52918223. The next prime is 52918259. The reversal of 52918257 is 75281925.

It is not a de Polignac number, because 52918257 - 2¹¹ = 52916209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52918259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11544 + ... + 15462.

It is an arithmetic number, because the mean of its divisors is an integer number (5048960).

Almost surely, 2^52918257 is an apocalyptic number.

It is an amenable number.

52918257 is a deficient number, since it is larger than the sum of its proper divisors (27865103).

52918257 is a wasteful number, since it uses less digits than its factorization.

52918257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572.

The product of its digits is 50400, while the sum is 39.

The square root of 52918257 is about 7274.4935906220. The cubic root of 52918257 is about 375.4353628068.

The spelling of 52918257 in words is "fifty-two million, nine hundred eighteen thousand, two hundred fifty-seven".