51264833 has 4 divisors (see below), whose sum is σ = 52232148. Its totient is φ = 50297520.

The previous prime is 51264821. The next prime is 51264839. The reversal of 51264833 is 33846215.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45252529 + 6012304 = 6727^2 + 2452^2 .

It is a cyclic number.

It is not a de Polignac number, because 51264833 - 2⁴ = 51264817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51264833.

It is not an unprimeable number, because it can be changed into a prime (51264839) 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, 483578 + ... + 483683.

It is an arithmetic number, because the mean of its divisors is an integer number (13058037).

Almost surely, 2^51264833 is an apocalyptic number.

51264833 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

51264833 is a deficient number, since it is larger than the sum of its proper divisors (967315).

51264833 is an equidigital number, since it uses as much as digits as its factorization.

51264833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967314.

The product of its digits is 17280, while the sum is 32.

The square root of 51264833 is about 7159.9464383471. The cubic root of 51264833 is about 371.4837739804.

The spelling of 51264833 in words is "fifty-one million, two hundred sixty-four thousand, eight hundred thirty-three".