49581822 has 32 divisors (see below), whose sum is σ = 103910400. Its totient is φ = 15751008.

The previous prime is 49581817. The next prime is 49581823. The reversal of 49581822 is 22818594.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49581823) 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 15 ways as a sum of consecutive naturals, for example, 11943 + ... + 15549.

It is an arithmetic number, because the mean of its divisors is an integer number (3247200).

Almost surely, 2^49581822 is an apocalyptic number.

49581822 is an abundant number, since it is smaller than the sum of its proper divisors (54328578).

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

49581822 is a wasteful number, since it uses less digits than its factorization.

49581822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3720.

The product of its digits is 46080, while the sum is 39.

The square root of 49581822 is about 7041.4360751199. The cubic root of 49581822 is about 367.3732192603.

It can be divided in two parts, 49581 and 822, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 49581822 in words is "forty-nine million, five hundred eighty-one thousand, eight hundred twenty-two".