49999959 has 12 divisors (see below), whose sum is σ = 72325656. Its totient is φ = 33285552.

The previous prime is 49999921. The next prime is 49999991. The reversal of 49999959 is 95999994.

49999959 is a `hidden beast` number, since 499 + 9 + 99 + 59 = 666.

It is not a de Polignac number, because 49999959 - 2¹² = 49995863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49999896 and 49999905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3364 + ... + 10550.

It is an arithmetic number, because the mean of its divisors is an integer number (6027138).

Almost surely, 2^49999959 is an apocalyptic number.

49999959 is a deficient number, since it is larger than the sum of its proper divisors (22325697).

49999959 is a wasteful number, since it uses less digits than its factorization.

49999959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7966 (or 7963 counting only the distinct ones).

The product of its digits is 10628820, while the sum is 63.

The square root of 49999959 is about 7071.0649127271. The cubic root of 49999959 is about 368.4030491672.

The spelling of 49999959 in words is "forty-nine million, nine hundred ninety-nine thousand, nine hundred fifty-nine".