51322894 has 24 divisors (see below), whose sum is σ = 90493200. Its totient is φ = 21764736.

The previous prime is 51322889. The next prime is 51322897. The reversal of 51322894 is 49822315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51322897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6807 + ... + 12205.

It is an arithmetic number, because the mean of its divisors is an integer number (3770550).

Almost surely, 2^51322894 is an apocalyptic number.

51322894 is a deficient number, since it is larger than the sum of its proper divisors (39170306).

51322894 is a wasteful number, since it uses less digits than its factorization.

51322894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5512 (or 5505 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 51322894 is about 7163.9998604132. Note that the first 3 decimals coincide. The cubic root of 51322894 is about 371.6239648323.

The spelling of 51322894 in words is "fifty-one million, three hundred twenty-two thousand, eight hundred ninety-four".