52282291 has 4 divisors (see below), whose sum is σ = 52422832. Its totient is φ = 52141752.

The previous prime is 52282271. The next prime is 52282297. The reversal of 52282291 is 19228225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52282291 - 2²⁵ = 18727859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52282297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69711 + ... + 70456.

It is an arithmetic number, because the mean of its divisors is an integer number (13105708).

Almost surely, 2^52282291 is an apocalyptic number.

52282291 is a deficient number, since it is larger than the sum of its proper divisors (140541).

52282291 is a wasteful number, since it uses less digits than its factorization.

52282291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140540.

The product of its digits is 5760, while the sum is 31.

The square root of 52282291 is about 7230.6494175835. The cubic root of 52282291 is about 373.9253165717.

The spelling of 52282291 in words is "fifty-two million, two hundred eighty-two thousand, two hundred ninety-one".