51452640299 has 8 divisors (see below), whose sum is σ = 51516037200. Its totient is φ = 51389280000.

The previous prime is 51452640293. The next prime is 51452640301. The reversal of 51452640299 is 99204625415.

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

It is a cyclic number.

It is not a de Polignac number, because 51452640299 - 2¹⁶ = 51452574763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51452640293) 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, 3654824 + ... + 3668874.

It is an arithmetic number, because the mean of its divisors is an integer number (6439504650).

Almost surely, 2^51452640299 is an apocalyptic number.

51452640299 is a deficient number, since it is larger than the sum of its proper divisors (63396901).

51452640299 is a wasteful number, since it uses less digits than its factorization.

51452640299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18301.

The product of its (nonzero) digits is 777600, while the sum is 47.

The spelling of 51452640299 in words is "fifty-one billion, four hundred fifty-two million, six hundred forty thousand, two hundred ninety-nine".