49836142 has 4 divisors (see below), whose sum is σ = 74754216. Its totient is φ = 24918070.

The previous prime is 49836139. The next prime is 49836161. The reversal of 49836142 is 24163894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24163894 = 2 ⋅12081947.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12459034 + ... + 12459037.

It is an arithmetic number, because the mean of its divisors is an integer number (18688554).

Almost surely, 2^49836142 is an apocalyptic number.

49836142 is a deficient number, since it is larger than the sum of its proper divisors (24918074).

49836142 is a wasteful number, since it uses less digits than its factorization.

49836142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24918073.

The product of its digits is 41472, while the sum is 37.

The square root of 49836142 is about 7059.4717932718. The cubic root of 49836142 is about 368.0002707544. Note that the first 3 decimals are identical.

The spelling of 49836142 in words is "forty-nine million, eight hundred thirty-six thousand, one hundred forty-two".