49225518 has 24 divisors (see below), whose sum is σ = 106817256. Its totient is φ = 16383600.

The previous prime is 49225513. The next prime is 49225531. The reversal of 49225518 is 81552294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49225513) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13113 + ... + 16443.

It is an arithmetic number, because the mean of its divisors is an integer number (4450719).

Almost surely, 2^49225518 is an apocalyptic number.

49225518 is an abundant number, since it is smaller than the sum of its proper divisors (57591738).

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

49225518 is a wasteful number, since it uses less digits than its factorization.

49225518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160 (or 4157 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 49225518 is about 7016.0899367098. The cubic root of 49225518 is about 366.4910992356.

It can be divided in two parts, 4922 and 5518, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 49225518 in words is "forty-nine million, two hundred twenty-five thousand, five hundred eighteen".