49938878 has 24 divisors (see below), whose sum is σ = 86678760. Its totient is φ = 21502800.

The previous prime is 49938857. The next prime is 49938887. The reversal of 49938878 is 87883994.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 833 + ... + 10028.

It is an arithmetic number, because the mean of its divisors is an integer number (3611615).

Almost surely, 2^49938878 is an apocalyptic number.

49938878 is a deficient number, since it is larger than the sum of its proper divisors (36739882).

49938878 is a wasteful number, since it uses less digits than its factorization.

49938878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10904 (or 10893 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 56.

The square root of 49938878 is about 7066.7445121498. The cubic root of 49938878 is about 368.2529717373.

Subtracting 49938878 from its reverse (87883994), we obtain a triangular number (37945116 = T₈₇₁₁).

The spelling of 49938878 in words is "forty-nine million, nine hundred thirty-eight thousand, eight hundred seventy-eight".