52126891 has 8 divisors (see below), whose sum is σ = 54665280. Its totient is φ = 49637952.

The previous prime is 52126853. The next prime is 52126897. The reversal of 52126891 is 19862125.

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 52126891 - 2⁹ = 52126379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52126897) 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, 10195 + ... + 14428.

It is an arithmetic number, because the mean of its divisors is an integer number (6833160).

Almost surely, 2^52126891 is an apocalyptic number.

52126891 is a deficient number, since it is larger than the sum of its proper divisors (2538389).

52126891 is a wasteful number, since it uses less digits than its factorization.

52126891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24725.

The product of its digits is 8640, while the sum is 34.

The square root of 52126891 is about 7219.8954978587. The cubic root of 52126891 is about 373.5544729565.

The spelling of 52126891 in words is "fifty-two million, one hundred twenty-six thousand, eight hundred ninety-one".