51465801 has 8 divisors (see below), whose sum is σ = 68661280. Its totient is φ = 34290432.

The previous prime is 51465751. The next prime is 51465811. The reversal of 51465801 is 10856415.

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

It is not a de Polignac number, because 51465801 - 2¹⁵ = 51433033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51465811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2601 + ... + 10473.

It is an arithmetic number, because the mean of its divisors is an integer number (8582660).

Almost surely, 2^51465801 is an apocalyptic number.

It is an amenable number.

51465801 is a deficient number, since it is larger than the sum of its proper divisors (17195479).

51465801 is a wasteful number, since it uses less digits than its factorization.

51465801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10055.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 51465801 is about 7173.9668942643. The cubic root of 51465801 is about 371.9685703010.

The spelling of 51465801 in words is "fifty-one million, four hundred sixty-five thousand, eight hundred one".