51383799 has 12 divisors (see below), whose sum is σ = 74903400. Its totient is φ = 33940944.

The previous prime is 51383797. The next prime is 51383821. The reversal of 51383799 is 99738315.

It is a happy number.

51383799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51383799 - 2¹ = 51383797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51383791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25209 + ... + 27170.

It is an arithmetic number, because the mean of its divisors is an integer number (6241950).

Almost surely, 2^51383799 is an apocalyptic number.

51383799 is a deficient number, since it is larger than the sum of its proper divisors (23519601).

51383799 is a wasteful number, since it uses less digits than its factorization.

51383799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52494 (or 52491 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 51383799 is about 7168.2493678722. The cubic root of 51383799 is about 371.7709090680.

The spelling of 51383799 in words is "fifty-one million, three hundred eighty-three thousand, seven hundred ninety-nine".