49442255 has 4 divisors (see below), whose sum is σ = 59330712. Its totient is φ = 39553800.

The previous prime is 49442251. The next prime is 49442279. The reversal of 49442255 is 55224494.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 49442255 - 2² = 49442251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49442251) 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 3 ways as a sum of consecutive naturals, for example, 4944221 + ... + 4944230.

It is an arithmetic number, because the mean of its divisors is an integer number (14832678).

Almost surely, 2^49442255 is an apocalyptic number.

49442255 is a deficient number, since it is larger than the sum of its proper divisors (9888457).

49442255 is an equidigital number, since it uses as much as digits as its factorization.

49442255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9888456.

The product of its digits is 57600, while the sum is 35.

The square root of 49442255 is about 7031.5186837553. The cubic root of 49442255 is about 367.0281911786.

The spelling of 49442255 in words is "forty-nine million, four hundred forty-two thousand, two hundred fifty-five".