52211765 has 8 divisors (see below), whose sum is σ = 62905248. Its totient is φ = 41602000.

The previous prime is 52211759. The next prime is 52211779. The reversal of 52211765 is 56711225.

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

It is not a de Polignac number, because 52211765 - 2¹² = 52207669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19547 + ... + 22056.

It is an arithmetic number, because the mean of its divisors is an integer number (7863156).

Almost surely, 2^52211765 is an apocalyptic number.

It is an amenable number.

52211765 is a deficient number, since it is larger than the sum of its proper divisors (10693483).

52211765 is a wasteful number, since it uses less digits than its factorization.

52211765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41859.

The product of its digits is 4200, while the sum is 29.

The square root of 52211765 is about 7225.7708931297. The cubic root of 52211765 is about 373.7571058630.

The spelling of 52211765 in words is "fifty-two million, two hundred eleven thousand, seven hundred sixty-five".