49971199 has 12 divisors (see below), whose sum is σ = 52022304. Its totient is φ = 47975424.

The previous prime is 49971193. The next prime is 49971221. The reversal of 49971199 is 99117994.

It is a happy number.

It is not a de Polignac number, because 49971199 - 2⁵ = 49971167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49971193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442167 + ... + 442279.

It is an arithmetic number, because the mean of its divisors is an integer number (4335192).

Almost surely, 2^49971199 is an apocalyptic number.

49971199 is a deficient number, since it is larger than the sum of its proper divisors (2051105).

49971199 is an equidigital number, since it uses as much as digits as its factorization.

49971199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 257 counting only the distinct ones).

The product of its digits is 183708, while the sum is 49.

The square root of 49971199 is about 7069.0309802688. The cubic root of 49971199 is about 368.3324004171.

The spelling of 49971199 in words is "forty-nine million, nine hundred seventy-one thousand, one hundred ninety-nine".