52208591 has 4 divisors (see below), whose sum is σ = 53619672. Its totient is φ = 50797512.

The previous prime is 52208573. The next prime is 52208593. The reversal of 52208591 is 19580225.

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 52208591 - 2¹⁴ = 52192207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52208593) 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, 705485 + ... + 705558.

It is an arithmetic number, because the mean of its divisors is an integer number (13404918).

Almost surely, 2^52208591 is an apocalyptic number.

52208591 is a deficient number, since it is larger than the sum of its proper divisors (1411081).

52208591 is a wasteful number, since it uses less digits than its factorization.

52208591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411080.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 52208591 is about 7225.5512592466. The cubic root of 52208591 is about 373.7495320330.

The spelling of 52208591 in words is "fifty-two million, two hundred eight thousand, five hundred ninety-one".