51317862 has 16 divisors (see below), whose sum is σ = 102963312. Its totient is φ = 17051360.

The previous prime is 51317839. The next prime is 51317867. The reversal of 51317862 is 26871315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51317867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11589 + ... + 15392.

It is an arithmetic number, because the mean of its divisors is an integer number (6435207).

Almost surely, 2^51317862 is an apocalyptic number.

51317862 is an abundant number, since it is smaller than the sum of its proper divisors (51645450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51317862 is a wasteful number, since it uses less digits than its factorization.

51317862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27303.

The product of its digits is 10080, while the sum is 33.

The square root of 51317862 is about 7163.6486513508. The cubic root of 51317862 is about 371.6118190317.

The spelling of 51317862 in words is "fifty-one million, three hundred seventeen thousand, eight hundred sixty-two".