52506291 has 16 divisors (see below), whose sum is σ = 74390400. Its totient is φ = 32848128.

The previous prime is 52506287. The next prime is 52506301. The reversal of 52506291 is 19260525.

It is a happy number.

52506291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52506291 - 2² = 52506287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52506221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1795 + ... + 10403.

It is an arithmetic number, because the mean of its divisors is an integer number (4649400).

Almost surely, 2^52506291 is an apocalyptic number.

52506291 is a deficient number, since it is larger than the sum of its proper divisors (21884109).

52506291 is a wasteful number, since it uses less digits than its factorization.

52506291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8738.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 52506291 is about 7246.1224803339. The cubic root of 52506291 is about 374.4585751116.

The spelling of 52506291 in words is "fifty-two million, five hundred six thousand, two hundred ninety-one".