49988491 has 8 divisors (see below), whose sum is σ = 57263360. Its totient is φ = 42747048.

The previous prime is 49988467. The next prime is 49988501. The reversal of 49988491 is 19488994.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 49988491 - 2²⁵ = 16434059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49988441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5061 + ... + 11206.

It is an arithmetic number, because the mean of its divisors is an integer number (7157920).

Almost surely, 2^49988491 is an apocalyptic number.

49988491 is a deficient number, since it is larger than the sum of its proper divisors (7274869).

49988491 is a wasteful number, since it uses less digits than its factorization.

49988491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16713.

The product of its digits is 746496, while the sum is 52.

The square root of 49988491 is about 7070.2539558350. The cubic root of 49988491 is about 368.3748813493.

The spelling of 49988491 in words is "forty-nine million, nine hundred eighty-eight thousand, four hundred ninety-one".