49878012 has 24 divisors (see below), whose sum is σ = 116524800. Its totient is φ = 16605616.

The previous prime is 49877981. The next prime is 49878013. The reversal of 49878012 is 21087894.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10189 + ... + 14267.

It is an arithmetic number, because the mean of its divisors is an integer number (4855200).

Almost surely, 2^49878012 is an apocalyptic number.

It is an amenable number.

49878012 is an abundant number, since it is smaller than the sum of its proper divisors (66646788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49878012 is a wasteful number, since it uses less digits than its factorization.

49878012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5105 (or 5103 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 49878012 is about 7062.4366899817. The cubic root of 49878012 is about 368.1033007888.

The spelling of 49878012 in words is "forty-nine million, eight hundred seventy-eight thousand, twelve".