49191005 has 8 divisors (see below), whose sum is σ = 59160024. Its totient is φ = 39265600.

The previous prime is 49190987. The next prime is 49191031. The reversal of 49191005 is 50019194.

It can be written as a sum of positive squares in 4 ways, for example, as 15155449 + 34035556 = 3893^2 + 5834^2 .

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

It is not a de Polignac number, because 49191005 - 2⁶ = 49190941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8366 + ... + 12975.

It is an arithmetic number, because the mean of its divisors is an integer number (7395003).

Almost surely, 2^49191005 is an apocalyptic number.

It is an amenable number.

49191005 is a deficient number, since it is larger than the sum of its proper divisors (9969019).

49191005 is a wasteful number, since it uses less digits than its factorization.

49191005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21807.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 49191005 is about 7013.6299446150. The cubic root of 49191005 is about 366.4054277854.

The spelling of 49191005 in words is "forty-nine million, one hundred ninety-one thousand, five".