49918091 has 8 divisors (see below), whose sum is σ = 51609600. Its totient is φ = 48231720.

The previous prime is 49918081. The next prime is 49918093. The reversal of 49918091 is 19081994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49918091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49918093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38390 + ... + 39668.

It is an arithmetic number, because the mean of its divisors is an integer number (6451200).

Almost surely, 2^49918091 is an apocalyptic number.

49918091 is a deficient number, since it is larger than the sum of its proper divisors (1691509).

49918091 is a wasteful number, since it uses less digits than its factorization.

49918091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 49918091 is about 7065.2735969671. The cubic root of 49918091 is about 368.2018696889.

The spelling of 49918091 in words is "forty-nine million, nine hundred eighteen thousand, ninety-one".