52225591 has 8 divisors (see below), whose sum is σ = 57026304. Its totient is φ = 47433720.

The previous prime is 52225583. The next prime is 52225597. The reversal of 52225591 is 19552225.

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

It is a cyclic number.

It is not a de Polignac number, because 52225591 - 2³ = 52225583 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52225597) 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, 19266 + ... + 21808.

It is an arithmetic number, because the mean of its divisors is an integer number (7128288).

Almost surely, 2^52225591 is an apocalyptic number.

52225591 is a deficient number, since it is larger than the sum of its proper divisors (4800713).

52225591 is a wasteful number, since it uses less digits than its factorization.

52225591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421.

The product of its digits is 9000, while the sum is 31.

The square root of 52225591 is about 7226.7275443315. The cubic root of 52225591 is about 373.7900940198.

The spelling of 52225591 in words is "fifty-two million, two hundred twenty-five thousand, five hundred ninety-one".