48289491 has 12 divisors (see below), whose sum is σ = 70895760. Its totient is φ = 31664880.

The previous prime is 48289487. The next prime is 48289499. The reversal of 48289491 is 19498284.

48289491 is a `hidden beast` number, since 4 + 82 + 89 + 491 = 666.

It is not a de Polignac number, because 48289491 - 2² = 48289487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48289499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43431 + ... + 44528.

It is an arithmetic number, because the mean of its divisors is an integer number (5907980).

Almost surely, 2^48289491 is an apocalyptic number.

48289491 is a deficient number, since it is larger than the sum of its proper divisors (22606269).

48289491 is a wasteful number, since it uses less digits than its factorization.

48289491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88026 (or 88023 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 48289491 is about 6949.0640376960. The cubic root of 48289491 is about 364.1532658718.

The spelling of 48289491 in words is "forty-eight million, two hundred eighty-nine thousand, four hundred ninety-one".