51326933 has 4 divisors (see below), whose sum is σ = 58659360. Its totient is φ = 43994508.

The previous prime is 51326929. The next prime is 51326959. The reversal of 51326933 is 33962315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51326933 - 2² = 51326929 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 51326933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51326903) 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, 3666203 + ... + 3666216.

It is an arithmetic number, because the mean of its divisors is an integer number (14664840).

Almost surely, 2^51326933 is an apocalyptic number.

It is an amenable number.

51326933 is a deficient number, since it is larger than the sum of its proper divisors (7332427).

51326933 is an equidigital number, since it uses as much as digits as its factorization.

51326933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7332426.

The product of its digits is 14580, while the sum is 32.

The square root of 51326933 is about 7164.2817504618. The cubic root of 51326933 is about 371.6337132421.

The spelling of 51326933 in words is "fifty-one million, three hundred twenty-six thousand, nine hundred thirty-three".