49009055 has 4 divisors (see below), whose sum is σ = 58810872. Its totient is φ = 39207240.

The previous prime is 49009049. The next prime is 49009057. The reversal of 49009055 is 55090094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55090094 = 2 ⋅27545047.

It is not a de Polignac number, because 49009055 - 2⁴ = 49009039 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 (49009057) 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, 4900901 + ... + 4900910.

It is an arithmetic number, because the mean of its divisors is an integer number (14702718).

Almost surely, 2^49009055 is an apocalyptic number.

49009055 is a deficient number, since it is larger than the sum of its proper divisors (9801817).

49009055 is an equidigital number, since it uses as much as digits as its factorization.

49009055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9801816.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 49009055 is about 7000.6467558362. The cubic root of 49009055 is about 365.9531104393.

The spelling of 49009055 in words is "forty-nine million, nine thousand, fifty-five".