5155504439 has 4 divisors (see below), whose sum is σ = 5458769424. Its totient is φ = 4852239456.

The previous prime is 5155504427. The next prime is 5155504463. The reversal of 5155504439 is 9344055515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9344055515 = 5 ⋅1868811103.

It is a cyclic number.

It is not a de Polignac number, because 5155504439 - 2¹⁶ = 5155438903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5155504396 and 5155504405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5155504339) 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, 151632467 + ... + 151632500.

It is an arithmetic number, because the mean of its divisors is an integer number (1364692356).

Almost surely, 2^5155504439 is an apocalyptic number.

5155504439 is a deficient number, since it is larger than the sum of its proper divisors (303264985).

5155504439 is a wasteful number, since it uses less digits than its factorization.

5155504439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303264984.

The product of its (nonzero) digits is 270000, while the sum is 41.

The square root of 5155504439 is about 71801.8414736001. The cubic root of 5155504439 is about 1727.5225365469.

The spelling of 5155504439 in words is "five billion, one hundred fifty-five million, five hundred four thousand, four hundred thirty-nine".