49799169 has 24 divisors (see below), whose sum is σ = 82405440. Its totient is φ = 28388448.

The previous prime is 49799143. The next prime is 49799173. The reversal of 49799169 is 96199794.

49799169 is a `hidden beast` number, since 497 + 9 + 91 + 69 = 666.

It is not a de Polignac number, because 49799169 - 2⁷ = 49799041 is a prime.

It is a super-2 number, since 2×49799169² = 4959914466181122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49799369) 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, 38359 + ... + 39635.

It is an arithmetic number, because the mean of its divisors is an integer number (3433560).

It is a Proth number, since it is equal to 6079 ⋅ 2¹³ + 1 and 6079 < 2¹³.

Almost surely, 2^49799169 is an apocalyptic number.

It is an amenable number.

49799169 is a deficient number, since it is larger than the sum of its proper divisors (32606271).

49799169 is a wasteful number, since it uses less digits than its factorization.

49799169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909 (or 1906 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 54.

The square root of 49799169 is about 7056.8526270569. The cubic root of 49799169 is about 367.9092428404.

The spelling of 49799169 in words is "forty-nine million, seven hundred ninety-nine thousand, one hundred sixty-nine".