49091311 has 8 divisors (see below), whose sum is σ = 50177600. Its totient is φ = 48016800.

The previous prime is 49091299. The next prime is 49091327. The reversal of 49091311 is 11319094.

It is a happy number.

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 49091311 - 2⁷ = 49091183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49091311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49098311) 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, 5761 + ... + 11461.

It is an arithmetic number, because the mean of its divisors is an integer number (6272200).

Almost surely, 2^49091311 is an apocalyptic number.

49091311 is a deficient number, since it is larger than the sum of its proper divisors (1086289).

49091311 is a wasteful number, since it uses less digits than its factorization.

49091311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 49091311 is about 7006.5191785936. The cubic root of 49091311 is about 366.1577325846.

The spelling of 49091311 in words is "forty-nine million, ninety-one thousand, three hundred eleven".