49055519 has 4 divisors (see below), whose sum is σ = 49561344. Its totient is φ = 48549696.

The previous prime is 49055497. The next prime is 49055543. The reversal of 49055519 is 91555094.

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

It is a cyclic number.

It is not a de Polignac number, because 49055519 - 2²⁴ = 32278303 is a prime.

It is a super-2 number, since 2×49055519² = 4812887888718722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49055569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252767 + ... + 252960.

It is an arithmetic number, because the mean of its divisors is an integer number (12390336).

Almost surely, 2^49055519 is an apocalyptic number.

49055519 is a deficient number, since it is larger than the sum of its proper divisors (505825).

49055519 is an equidigital number, since it uses as much as digits as its factorization.

49055519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505824.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 49055519 is about 7003.9645201843. The cubic root of 49055519 is about 366.0687235955.

The spelling of 49055519 in words is "forty-nine million, fifty-five thousand, five hundred nineteen".