49888390 has 32 divisors (see below), whose sum is σ = 92534400. Its totient is φ = 19353600.

The previous prime is 49888379. The next prime is 49888427. The reversal of 49888390 is 9388894.

It is a happy number.

It is a congruent number.

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, 110886 + ... + 111334.

It is an arithmetic number, because the mean of its divisors is an integer number (2891700).

Almost surely, 2^49888390 is an apocalyptic number.

49888390 is a deficient number, since it is larger than the sum of its proper divisors (42646010).

49888390 is a wasteful number, since it uses less digits than its factorization.

49888390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 49888390 is about 7063.1713840172. The cubic root of 49888390 is about 368.1288291461.

It can be divided in two parts, 498 and 88390, that added together give a palindrome (88888).

The spelling of 49888390 in words is "forty-nine million, eight hundred eighty-eight thousand, three hundred ninety".