51359315 has 16 divisors (see below), whose sum is σ = 70560768. Its totient is φ = 35155296.

The previous prime is 51359311. The next prime is 51359333. The reversal of 51359315 is 51395315.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51359315 - 2² = 51359311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51359311) 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, 27914 + ... + 29696.

It is an arithmetic number, because the mean of its divisors is an integer number (4410048).

Almost surely, 2^51359315 is an apocalyptic number.

51359315 is a deficient number, since it is larger than the sum of its proper divisors (19201453).

51359315 is a wasteful number, since it uses less digits than its factorization.

51359315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2618.

The product of its digits is 10125, while the sum is 32.

The square root of 51359315 is about 7166.5413554936. The cubic root of 51359315 is about 371.7118509910.

The spelling of 51359315 in words is "fifty-one million, three hundred fifty-nine thousand, three hundred fifteen".