51334459 has 16 divisors (see below), whose sum is σ = 58708224. Its totient is φ = 44431200.

The previous prime is 51334453. The next prime is 51334469. The reversal of 51334459 is 95443315.

It is not a de Polignac number, because 51334459 - 2¹³ = 51326267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51334453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83437 + ... + 84049.

It is an arithmetic number, because the mean of its divisors is an integer number (3669264).

Almost surely, 2^51334459 is an apocalyptic number.

51334459 is a deficient number, since it is larger than the sum of its proper divisors (7373765).

51334459 is a wasteful number, since it uses less digits than its factorization.

51334459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978.

The product of its digits is 32400, while the sum is 34.

The square root of 51334459 is about 7164.8069757670. The cubic root of 51334459 is about 371.6518764070.

The spelling of 51334459 in words is "fifty-one million, three hundred thirty-four thousand, four hundred fifty-nine".