52911291 has 4 divisors (see below), whose sum is σ = 70548392. Its totient is φ = 35274192.

The previous prime is 52911289. The next prime is 52911311. The reversal of 52911291 is 19211925.

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

It is not a de Polignac number, because 52911291 - 2¹ = 52911289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52911211) 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, 8818546 + ... + 8818551.

It is an arithmetic number, because the mean of its divisors is an integer number (17637098).

Almost surely, 2^52911291 is an apocalyptic number.

52911291 is a deficient number, since it is larger than the sum of its proper divisors (17637101).

52911291 is a wasteful number, since it uses less digits than its factorization.

52911291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17637100.

The product of its digits is 1620, while the sum is 30.

The square root of 52911291 is about 7274.0147786487. The cubic root of 52911291 is about 375.4188883570.

The spelling of 52911291 in words is "fifty-two million, nine hundred eleven thousand, two hundred ninety-one".