49894142 has 8 divisors (see below), whose sum is σ = 74871696. Its totient is φ = 24936912.

The previous prime is 49894139. The next prime is 49894151. The reversal of 49894142 is 24149894.

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

It is a self number, because there is not a number n which added to its sum of digits gives 49894142.

It is a congruent number.

It is an unprimeable number.

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, 5303 + ... + 11309.

It is an arithmetic number, because the mean of its divisors is an integer number (9358962).

Almost surely, 2^49894142 is an apocalyptic number.

49894142 is a deficient number, since it is larger than the sum of its proper divisors (24977554).

49894142 is a wasteful number, since it uses less digits than its factorization.

49894142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10162.

The product of its digits is 82944, while the sum is 41.

The square root of 49894142 is about 7063.5785548120. The cubic root of 49894142 is about 368.1429766972.

The spelling of 49894142 in words is "forty-nine million, eight hundred ninety-four thousand, one hundred forty-two".