51315346 has 8 divisors (see below), whose sum is σ = 80319744. Its totient is φ = 24542100.

The previous prime is 51315317. The next prime is 51315359. The reversal of 51315346 is 64351315.

51315346 is nontrivially palindromic in base 3.

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

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, 557730 + ... + 557821.

It is an arithmetic number, because the mean of its divisors is an integer number (10039968).

Almost surely, 2^51315346 is an apocalyptic number.

51315346 is a deficient number, since it is larger than the sum of its proper divisors (29004398).

51315346 is a wasteful number, since it uses less digits than its factorization.

51315346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115576.

The product of its digits is 5400, while the sum is 28.

The square root of 51315346 is about 7163.4730403625. The cubic root of 51315346 is about 371.6057458336.

The spelling of 51315346 in words is "fifty-one million, three hundred fifteen thousand, three hundred forty-six".