49591149 has 4 divisors (see below), whose sum is σ = 66121536. Its totient is φ = 33060764.

The previous prime is 49591147. The next prime is 49591177. The reversal of 49591149 is 94119594.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49591149 - 2¹ = 49591147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49591149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49591141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8265189 + ... + 8265194.

It is an arithmetic number, because the mean of its divisors is an integer number (16530384).

Almost surely, 2^49591149 is an apocalyptic number.

It is an amenable number.

49591149 is a deficient number, since it is larger than the sum of its proper divisors (16530387).

49591149 is a wasteful number, since it uses less digits than its factorization.

49591149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16530386.

The product of its digits is 58320, while the sum is 42.

The square root of 49591149 is about 7042.0983378536. The cubic root of 49591149 is about 367.3962537451.

The spelling of 49591149 in words is "forty-nine million, five hundred ninety-one thousand, one hundred forty-nine".