51740199 has 24 divisors (see below), whose sum is σ = 85862400. Its totient is φ = 29410128.

The previous prime is 51740191. The next prime is 51740207. The reversal of 51740199 is 99104715.

It is an interprime number because it is at equal distance from previous prime (51740191) and next prime (51740207).

It is not a de Polignac number, because 51740199 - 2³ = 51740191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51740191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10474 + ... + 14600.

It is an arithmetic number, because the mean of its divisors is an integer number (3577600).

Almost surely, 2^51740199 is an apocalyptic number.

51740199 is a deficient number, since it is larger than the sum of its proper divisors (34122201).

51740199 is a wasteful number, since it uses less digits than its factorization.

51740199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339 (or 4336 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 51740199 is about 7193.0660361212. The cubic root of 51740199 is about 372.6284685182.

The spelling of 51740199 in words is "fifty-one million, seven hundred forty thousand, one hundred ninety-nine".