49921199 has 2 divisors, whose sum is σ = 49921200. Its totient is φ = 49921198.

The previous prime is 49921141. The next prime is 49921211. The reversal of 49921199 is 99112994.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49921199 is a prime.

It is a super-2 number, since 2×49921199² = 4984252219195202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49921099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24960599 + 24960600.

It is an arithmetic number, because the mean of its divisors is an integer number (24960600).

Almost surely, 2^49921199 is an apocalyptic number.

49921199 is a deficient number, since it is larger than the sum of its proper divisors (1).

49921199 is an equidigital number, since it uses as much as digits as its factorization.

49921199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 44.

The square root of 49921199 is about 7065.4935425630. The cubic root of 49921199 is about 368.2095111915.

The spelling of 49921199 in words is "forty-nine million, nine hundred twenty-one thousand, one hundred ninety-nine".