51045465 has 8 divisors (see below), whose sum is σ = 81672768. Its totient is φ = 27224240.

The previous prime is 51045383. The next prime is 51045497. The reversal of 51045465 is 56454015.

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

It is not a de Polignac number, because 51045465 - 2⁸ = 51045209 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701501 + ... + 1701530.

It is an arithmetic number, because the mean of its divisors is an integer number (10209096).

Almost surely, 2^51045465 is an apocalyptic number.

It is an amenable number.

51045465 is a deficient number, since it is larger than the sum of its proper divisors (30627303).

51045465 is a wasteful number, since it uses less digits than its factorization.

51045465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403039.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 51045465 is about 7144.6109061306. The cubic root of 51045465 is about 370.9531427322.

The spelling of 51045465 in words is "fifty-one million, forty-five thousand, four hundred sixty-five".