51397062 has 8 divisors (see below), whose sum is σ = 102794136. Its totient is φ = 17132352.

The previous prime is 51397061. The next prime is 51397081. The reversal of 51397062 is 26079315.

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

51397062 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51397061) 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, 4283083 + ... + 4283094.

It is an arithmetic number, because the mean of its divisors is an integer number (12849267).

Almost surely, 2^51397062 is an apocalyptic number.

51397062 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51397062 is a wasteful number, since it uses less digits than its factorization.

51397062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566182.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 51397062 is about 7169.1744294584. The cubic root of 51397062 is about 371.8028930362.

The spelling of 51397062 in words is "fifty-one million, three hundred ninety-seven thousand, sixty-two".