49168819 has 16 divisors (see below), whose sum is σ = 58033600. Its totient is φ = 40777344.

The previous prime is 49168741. The next prime is 49168829. The reversal of 49168819 is 91886194.

It is a cyclic number.

It is not a de Polignac number, because 49168819 - 2¹⁵ = 49136051 is a prime.

It is a super-2 number, since 2×49168819² = 4835145523709522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49168829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58897 + ... + 59725.

It is an arithmetic number, because the mean of its divisors is an integer number (3627100).

Almost surely, 2^49168819 is an apocalyptic number.

49168819 is a deficient number, since it is larger than the sum of its proper divisors (8864781).

49168819 is a wasteful number, since it uses less digits than its factorization.

49168819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102.

The product of its digits is 124416, while the sum is 46.

The square root of 49168819 is about 7012.0481316089. The cubic root of 49168819 is about 366.3503344253.

The spelling of 49168819 in words is "forty-nine million, one hundred sixty-eight thousand, eight hundred nineteen".