51799000 has 128 divisors (see below), whose sum is σ = 140512320. Its totient is φ = 17664000.

The previous prime is 51798953. The next prime is 51799003. The reversal of 51799000 is 99715.

51799000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51799003) 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 31 ways as a sum of consecutive naturals, for example, 186862 + ... + 187138.

Almost surely, 2^51799000 is an apocalyptic number.

51799000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51799000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70256160).

51799000 is an abundant number, since it is smaller than the sum of its proper divisors (88713320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51799000 is a wasteful number, since it uses less digits than its factorization.

51799000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 51799000 is about 7197.1522145915. The cubic root of 51799000 is about 372.7695749943.

The spelling of 51799000 in words is "fifty-one million, seven hundred ninety-nine thousand".