51308434 has 8 divisors (see below), whose sum is σ = 78046848. Its totient is φ = 25292820.

The previous prime is 51308419. The next prime is 51308447. The reversal of 51308434 is 43480315.

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, 180522 + ... + 180805.

It is an arithmetic number, because the mean of its divisors is an integer number (9755856).

Almost surely, 2^51308434 is an apocalyptic number.

51308434 is a deficient number, since it is larger than the sum of its proper divisors (26738414).

51308434 is a wasteful number, since it uses less digits than its factorization.

51308434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361400.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 51308434 is about 7162.9905765679. The cubic root of 51308434 is about 371.5890604140.

Adding to 51308434 its reverse (43480315), we get a palindrome (94788749).

The spelling of 51308434 in words is "fifty-one million, three hundred eight thousand, four hundred thirty-four".