50099121 has 8 divisors (see below), whose sum is σ = 74220960. Its totient is φ = 33399396.

The previous prime is 50099111. The next prime is 50099123. The reversal of 50099121 is 12199005.

It is a happy number.

It is not a de Polignac number, because 50099121 - 2¹⁴ = 50082737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1855523 = 50099121 / (5 + 0 + 0 + 9 + 9 + 1 + 2 + 1).

It is not an unprimeable number, because it can be changed into a prime (50099123) 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, 927735 + ... + 927788.

It is an arithmetic number, because the mean of its divisors is an integer number (9277620).

Almost surely, 2^50099121 is an apocalyptic number.

It is an amenable number.

50099121 is a deficient number, since it is larger than the sum of its proper divisors (24121839).

50099121 is a wasteful number, since it uses less digits than its factorization.

50099121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855532 (or 1855526 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 50099121 is about 7078.0732547777. The cubic root of 50099121 is about 368.6464324295.

The spelling of 50099121 in words is "fifty million, ninety-nine thousand, one hundred twenty-one".