49189591 has 16 divisors (see below), whose sum is σ = 56245248. Its totient is φ = 42609600.

The previous prime is 49189561. The next prime is 49189601. The reversal of 49189591 is 19598194.

It is not a de Polignac number, because 49189591 - 2⁵ = 49189559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49189501) 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, 21771 + ... + 23923.

It is an arithmetic number, because the mean of its divisors is an integer number (3515328).

Almost surely, 2^49189591 is an apocalyptic number.

49189591 is a deficient number, since it is larger than the sum of its proper divisors (7055657).

49189591 is a wasteful number, since it uses less digits than its factorization.

49189591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262.

The product of its digits is 116640, while the sum is 46.

The square root of 49189591 is about 7013.5291401690. The cubic root of 49189591 is about 366.4019169657.

The spelling of 49189591 in words is "forty-nine million, one hundred eighty-nine thousand, five hundred ninety-one".