49719959 has 4 divisors (see below), whose sum is σ = 50053800. Its totient is φ = 49386120.

The previous prime is 49719953. The next prime is 49719961. The reversal of 49719959 is 95991794.

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 49719959 - 2¹² = 49715863 is a prime.

It is a super-4 number, since 4×49719959⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49719959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49719953) 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, 166697 + ... + 166994.

It is an arithmetic number, because the mean of its divisors is an integer number (12513450).

Almost surely, 2^49719959 is an apocalyptic number.

49719959 is a deficient number, since it is larger than the sum of its proper divisors (333841).

49719959 is a wasteful number, since it uses less digits than its factorization.

49719959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333840.

The product of its digits is 918540, while the sum is 53.

The square root of 49719959 is about 7051.2381182314. The cubic root of 49719959 is about 367.7140752208.

The spelling of 49719959 in words is "forty-nine million, seven hundred nineteen thousand, nine hundred fifty-nine".