51715022 has 16 divisors (see below), whose sum is σ = 80659152. Its totient is φ = 24847680.

The previous prime is 51715019. The next prime is 51715043. The reversal of 51715022 is 22051715.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788 + ... + 10200.

It is an arithmetic number, because the mean of its divisors is an integer number (5041197).

Almost surely, 2^51715022 is an apocalyptic number.

51715022 is a deficient number, since it is larger than the sum of its proper divisors (28944130).

51715022 is a wasteful number, since it uses less digits than its factorization.

51715022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9523.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 51715022 is about 7191.3157349681. The cubic root of 51715022 is about 372.5680178482.

Adding to 51715022 its reverse (22051715), we get a palindrome (73766737).

The spelling of 51715022 in words is "fifty-one million, seven hundred fifteen thousand, twenty-two".