51311459 has 8 divisors (see below), whose sum is σ = 54849312. Its totient is φ = 47882560.

The previous prime is 51311453. The next prime is 51311483. The reversal of 51311459 is 95411315.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51311459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51311453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26264 + ... + 28149.

It is an arithmetic number, because the mean of its divisors is an integer number (6856164).

Almost surely, 2^51311459 is an apocalyptic number.

51311459 is a deficient number, since it is larger than the sum of its proper divisors (3537853).

51311459 is a wasteful number, since it uses less digits than its factorization.

51311459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54477.

The product of its digits is 2700, while the sum is 29.

The square root of 51311459 is about 7163.2017282777. The cubic root of 51311459 is about 371.5963628834.

The spelling of 51311459 in words is "fifty-one million, three hundred eleven thousand, four hundred fifty-nine".