51312062 has 8 divisors (see below), whose sum is σ = 78605856. Its totient is φ = 25110112.

The previous prime is 51312061. The next prime is 51312071. The reversal of 51312062 is 26021315.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51312061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272843 + ... + 273030.

It is an arithmetic number, because the mean of its divisors is an integer number (9825732).

Almost surely, 2^51312062 is an apocalyptic number.

51312062 is a deficient number, since it is larger than the sum of its proper divisors (27293794).

51312062 is a wasteful number, since it uses less digits than its factorization.

51312062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545922.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 51312062 is about 7163.2438182712. The cubic root of 51312062 is about 371.5978185149.

Adding to 51312062 its reverse (26021315), we get a palindrome (77333377).

The spelling of 51312062 in words is "fifty-one million, three hundred twelve thousand, sixty-two".