49891193 has 8 divisors (see below), whose sum is σ = 55173216. Its totient is φ = 44733600.

The previous prime is 49891189. The next prime is 49891213. The reversal of 49891193 is 39119894.

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

It is a cyclic number.

It is not a de Polignac number, because 49891193 - 2² = 49891189 is a prime.

It is a super-2 number, since 2×49891193² = 4978262277926498, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49891123) 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, 30263 + ... + 31868.

It is an arithmetic number, because the mean of its divisors is an integer number (6896652).

Almost surely, 2^49891193 is an apocalyptic number.

It is an amenable number.

49891193 is a deficient number, since it is larger than the sum of its proper divisors (5282023).

49891193 is a wasteful number, since it uses less digits than its factorization.

49891193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62215.

The product of its digits is 69984, while the sum is 44.

The square root of 49891193 is about 7063.3698048453. The cubic root of 49891193 is about 368.1357235075.

The spelling of 49891193 in words is "forty-nine million, eight hundred ninety-one thousand, one hundred ninety-three".