49881290 has 32 divisors (see below), whose sum is σ = 92416896. Its totient is φ = 19373760.

The previous prime is 49881287. The next prime is 49881317. The reversal of 49881290 is 9218894.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133544 + ... + 133916.

It is an arithmetic number, because the mean of its divisors is an integer number (2888028).

Almost surely, 2^49881290 is an apocalyptic number.

49881290 is a deficient number, since it is larger than the sum of its proper divisors (42535606).

49881290 is a wasteful number, since it uses less digits than its factorization.

49881290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734.

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 49881290 is about 7062.6687590457. The cubic root of 49881290 is about 368.1113645704. Note that the first 3 decimals are identical.

The spelling of 49881290 in words is "forty-nine million, eight hundred eighty-one thousand, two hundred ninety".