49487423 has 4 divisors (see below), whose sum is σ = 49627968. Its totient is φ = 49346880.

The previous prime is 49487401. The next prime is 49487429. The reversal of 49487423 is 32478494.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49487423 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 (49487429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69743 + ... + 70448.

It is an arithmetic number, because the mean of its divisors is an integer number (12406992).

Almost surely, 2^49487423 is an apocalyptic number.

49487423 is a deficient number, since it is larger than the sum of its proper divisors (140545).

49487423 is a wasteful number, since it uses less digits than its factorization.

49487423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140544.

The product of its digits is 193536, while the sum is 41.

The square root of 49487423 is about 7034.7297744832. The cubic root of 49487423 is about 367.1399234317.

The spelling of 49487423 in words is "forty-nine million, four hundred eighty-seven thousand, four hundred twenty-three".