49688878 has 32 divisors (see below), whose sum is σ = 80481600. Its totient is φ = 22953216.

The previous prime is 49688851. The next prime is 49688879. The reversal of 49688878 is 87888694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49688879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216868 + ... + 217096.

It is an arithmetic number, because the mean of its divisors is an integer number (2515050).

Almost surely, 2^49688878 is an apocalyptic number.

49688878 is a deficient number, since it is larger than the sum of its proper divisors (30792722).

49688878 is a wasteful number, since it uses less digits than its factorization.

49688878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its digits is 6193152, while the sum is 58.

The square root of 49688878 is about 7049.0338345053. The cubic root of 49688878 is about 367.6374372956.

The spelling of 49688878 in words is "forty-nine million, six hundred eighty-eight thousand, eight hundred seventy-eight".