50998515 has 8 divisors (see below), whose sum is σ = 81597648. Its totient is φ = 27199200.

The previous prime is 50998511. The next prime is 50998517. The reversal of 50998515 is 51589905.

It is a happy number.

50998515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 50998515 - 2² = 50998511 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (50998511) 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 7 ways as a sum of consecutive naturals, for example, 1699936 + ... + 1699965.

It is an arithmetic number, because the mean of its divisors is an integer number (10199706).

Almost surely, 2^50998515 is an apocalyptic number.

50998515 is a deficient number, since it is larger than the sum of its proper divisors (30599133).

50998515 is a wasteful number, since it uses less digits than its factorization.

50998515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3399909.

The product of its (nonzero) digits is 81000, while the sum is 42.

The square root of 50998515 is about 7141.3244569898. The cubic root of 50998515 is about 370.8393775334.

The spelling of 50998515 in words is "fifty million, nine hundred ninety-eight thousand, five hundred fifteen".