49540559 has 4 divisors (see below), whose sum is σ = 49589280. Its totient is φ = 49491840.

The previous prime is 49540553. The next prime is 49540571. The reversal of 49540559 is 95504594.

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 49540559 - 2¹² = 49536463 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 (49540553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22802 + ... + 24879.

It is an arithmetic number, because the mean of its divisors is an integer number (12397320).

Almost surely, 2^49540559 is an apocalyptic number.

49540559 is a deficient number, since it is larger than the sum of its proper divisors (48721).

49540559 is a wasteful number, since it uses less digits than its factorization.

49540559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48720.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 49540559 is about 7038.5054521539. The cubic root of 49540559 is about 367.2712791562.

The spelling of 49540559 in words is "forty-nine million, five hundred forty thousand, five hundred fifty-nine".