50439459 has 24 divisors (see below), whose sum is σ = 81657088. Its totient is φ = 27123840.

The previous prime is 50439457. The next prime is 50439461. The reversal of 50439459 is 95493405.

It is an interprime number because it is at equal distance from previous prime (50439457) and next prime (50439461).

It is not a de Polignac number, because 50439459 - 2¹ = 50439457 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50439457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1914 + ... + 10224.

Almost surely, 2^50439459 is an apocalyptic number.

50439459 is a deficient number, since it is larger than the sum of its proper divisors (31217629).

50439459 is a wasteful number, since it uses less digits than its factorization.

50439459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8355 (or 8338 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 50439459 is about 7102.0742744638. The cubic root of 50439459 is about 369.4793236325.

The spelling of 50439459 in words is "fifty million, four hundred thirty-nine thousand, four hundred fifty-nine".