51289822 has 8 divisors (see below), whose sum is σ = 76973400. Its totient is φ = 25632024.

The previous prime is 51289813. The next prime is 51289871. The reversal of 51289822 is 22898215.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297 + ... + 10132.

It is an arithmetic number, because the mean of its divisors is an integer number (9621675).

Almost surely, 2^51289822 is an apocalyptic number.

51289822 is a deficient number, since it is larger than the sum of its proper divisors (25683578).

51289822 is a wasteful number, since it uses less digits than its factorization.

51289822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12890.

The product of its digits is 23040, while the sum is 37.

The square root of 51289822 is about 7161.6912806962. The cubic root of 51289822 is about 371.5441239940.

The spelling of 51289822 in words is "fifty-one million, two hundred eighty-nine thousand, eight hundred twenty-two".