49642187 has 8 divisors (see below), whose sum is σ = 57696000. Its totient is φ = 41828904.

The previous prime is 49642157. The next prime is 49642223. The reversal of 49642187 is 78124694.

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 49642187 - 2⁸ = 49641931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49642127) 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 7 ways as a sum of consecutive naturals, for example, 59687 + ... + 60512.

It is an arithmetic number, because the mean of its divisors is an integer number (7212000).

Almost surely, 2^49642187 is an apocalyptic number.

49642187 is a deficient number, since it is larger than the sum of its proper divisors (8053813).

49642187 is a wasteful number, since it uses less digits than its factorization.

49642187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120265.

The product of its digits is 96768, while the sum is 41.

The square root of 49642187 is about 7045.7211838108. The cubic root of 49642187 is about 367.5222489499.

The spelling of 49642187 in words is "forty-nine million, six hundred forty-two thousand, one hundred eighty-seven".