51336899 has 8 divisors (see below), whose sum is σ = 53081088. Its totient is φ = 49598280.

The previous prime is 51336893. The next prime is 51336953. The reversal of 51336899 is 99863315.

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 51336899 - 2²⁴ = 34559683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51336893) 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, 26564 + ... + 28430.

It is an arithmetic number, because the mean of its divisors is an integer number (6635136).

Almost surely, 2^51336899 is an apocalyptic number.

51336899 is a deficient number, since it is larger than the sum of its proper divisors (1744189).

51336899 is a wasteful number, since it uses less digits than its factorization.

51336899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785.

The product of its digits is 174960, while the sum is 44.

The square root of 51336899 is about 7164.9772504873. The cubic root of 51336899 is about 371.6577646948.

The spelling of 51336899 in words is "fifty-one million, three hundred thirty-six thousand, eight hundred ninety-nine".