49999559 has 8 divisors (see below), whose sum is σ = 51787392. Its totient is φ = 48222720.

The previous prime is 49999553. The next prime is 49999561. The reversal of 49999559 is 95599994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49999559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49999498 and 49999507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7127 + ... + 12279.

It is an arithmetic number, because the mean of its divisors is an integer number (6473424).

Almost surely, 2^49999559 is an apocalyptic number.

49999559 is a deficient number, since it is larger than the sum of its proper divisors (1787833).

49999559 is a wasteful number, since it uses less digits than its factorization.

49999559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497.

The product of its digits is 5904900, while the sum is 59.

The square root of 49999559 is about 7071.0366283877. The cubic root of 49999559 is about 368.4020667556.

The spelling of 49999559 in words is "forty-nine million, nine hundred ninety-nine thousand, five hundred fifty-nine".