49518081 has 16 divisors (see below), whose sum is σ = 73483200. Its totient is φ = 32956704.

The previous prime is 49518071. The next prime is 49518083. The reversal of 49518081 is 18081594.

It is not a de Polignac number, because 49518081 - 2⁹ = 49517569 is a prime.

It is a super-2 number, since 2×49518081² = 4904080691845122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49518083) 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, 20710 + ... + 22976.

It is an arithmetic number, because the mean of its divisors is an integer number (4592700).

Almost surely, 2^49518081 is an apocalyptic number.

It is an amenable number.

49518081 is a deficient number, since it is larger than the sum of its proper divisors (23965119).

49518081 is a wasteful number, since it uses less digits than its factorization.

49518081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 49518081 is about 7036.9084831338. The cubic root of 49518081 is about 367.2157235140.

The spelling of 49518081 in words is "forty-nine million, five hundred eighteen thousand, eighty-one".