49003491 has 4 divisors (see below), whose sum is σ = 65337992. Its totient is φ = 32668992.

The previous prime is 49003447. The next prime is 49003499. The reversal of 49003491 is 19430094.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49003491 - 2⁹ = 49002979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49003499) 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, 8167246 + ... + 8167251.

It is an arithmetic number, because the mean of its divisors is an integer number (16334498).

Almost surely, 2^49003491 is an apocalyptic number.

49003491 is a deficient number, since it is larger than the sum of its proper divisors (16334501).

49003491 is a wasteful number, since it uses less digits than its factorization.

49003491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16334500.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 49003491 is about 7000.2493527017. The cubic root of 49003491 is about 365.9392610247.

It can be divided in two parts, 49003 and 491, that added together give a palindrome (49494).

The spelling of 49003491 in words is "forty-nine million, three thousand, four hundred ninety-one".