53126891 has 8 divisors (see below), whose sum is σ = 53782704. Its totient is φ = 52474240.

The previous prime is 53126867. The next prime is 53126893. The reversal of 53126891 is 19862135.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53126891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53126893) 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, 55271 + ... + 56223.

It is an arithmetic number, because the mean of its divisors is an integer number (6722838).

Almost surely, 2^53126891 is an apocalyptic number.

53126891 is a deficient number, since it is larger than the sum of its proper divisors (655813).

53126891 is a wasteful number, since it uses less digits than its factorization.

53126891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581.

The product of its digits is 12960, while the sum is 35.

The square root of 53126891 is about 7288.8195889321. The cubic root of 53126891 is about 375.9281093693.

The spelling of 53126891 in words is "fifty-three million, one hundred twenty-six thousand, eight hundred ninety-one".