49216090 has 96 divisors (see below), whose sum is σ = 117604224. Its totient is φ = 14636160.

The previous prime is 49216087. The next prime is 49216109. The reversal of 49216090 is 9061294.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123772 + ... + 124168.

It is an arithmetic number, because the mean of its divisors is an integer number (1225044).

Almost surely, 2^49216090 is an apocalyptic number.

49216090 is an abundant number, since it is smaller than the sum of its proper divisors (68388134).

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

49216090 is a wasteful number, since it uses less digits than its factorization.

49216090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 49216090 is about 7015.4180203321. The cubic root of 49216090 is about 366.4677001339.

It can be divided in two parts, 4921 and 6090, that added together give a palindrome (11011).

The spelling of 49216090 in words is "forty-nine million, two hundred sixteen thousand, ninety".