52211247 has 8 divisors (see below), whose sum is σ = 75943680. Its totient is φ = 31643160.

The previous prime is 52211177. The next prime is 52211251. The reversal of 52211247 is 74211225.

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

It is not a de Polignac number, because 52211247 - 2¹² = 52207151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52211287) 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, 791047 + ... + 791112.

It is an arithmetic number, because the mean of its divisors is an integer number (9492960).

Almost surely, 2^52211247 is an apocalyptic number.

52211247 is a deficient number, since it is larger than the sum of its proper divisors (23732433).

52211247 is a wasteful number, since it uses less digits than its factorization.

52211247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582173.

The product of its digits is 1120, while the sum is 24.

The square root of 52211247 is about 7225.7350491144. The cubic root of 52211247 is about 373.7558698272.

The spelling of 52211247 in words is "fifty-two million, two hundred eleven thousand, two hundred forty-seven".