49515090 has 32 divisors (see below), whose sum is σ = 124004736. Its totient is φ = 12629760.

The previous prime is 49515071. The next prime is 49515107. The reversal of 49515090 is 9051594.

49515090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35191 + ... + 36570.

It is an arithmetic number, because the mean of its divisors is an integer number (3875148).

Almost surely, 2^49515090 is an apocalyptic number.

49515090 is an abundant number, since it is smaller than the sum of its proper divisors (74489646).

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

49515090 is a wasteful number, since it uses less digits than its factorization.

49515090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71794.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 49515090 is about 7036.6959576210. The cubic root of 49515090 is about 367.2083298218.

The spelling of 49515090 in words is "forty-nine million, five hundred fifteen thousand, ninety".