51046315 has 8 divisors (see below), whose sum is σ = 63919008. Its totient is φ = 39061440.

The previous prime is 51046313. The next prime is 51046321. The reversal of 51046315 is 51364015.

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

It is not a de Polignac number, because 51046315 - 2¹ = 51046313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51046315.

It is not an unprimeable number, because it can be changed into a prime (51046313) 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, 221826 + ... + 222055.

It is an arithmetic number, because the mean of its divisors is an integer number (7989876).

Almost surely, 2^51046315 is an apocalyptic number.

51046315 is a deficient number, since it is larger than the sum of its proper divisors (12872693).

51046315 is a wasteful number, since it uses less digits than its factorization.

51046315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443909.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 51046315 is about 7144.6703912777. The cubic root of 51046315 is about 370.9552017360.

The spelling of 51046315 in words is "fifty-one million, forty-six thousand, three hundred fifteen".