49878014 has 4 divisors (see below), whose sum is σ = 74817024. Its totient is φ = 24939006.

The previous prime is 49878013. The next prime is 49878019. The reversal of 49878014 is 41087894.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41087894 = 2 ⋅20543947.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49878013) 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 as a sum of consecutive naturals, namely, 12469502 + ... + 12469505.

It is an arithmetic number, because the mean of its divisors is an integer number (18704256).

Almost surely, 2^49878014 is an apocalyptic number.

49878014 is a deficient number, since it is larger than the sum of its proper divisors (24939010).

49878014 is a wasteful number, since it uses less digits than its factorization.

49878014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24939009.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 49878014 is about 7062.4368315759. The cubic root of 49878014 is about 368.1033057088.

The spelling of 49878014 in words is "forty-nine million, eight hundred seventy-eight thousand, fourteen".