556454337539 has 4 divisors (see below), whose sum is σ = 556481698056. Its totient is φ = 556426977024.

The previous prime is 556454337529. The next prime is 556454337557. The reversal of 556454337539 is 935733454655.

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 556454337539 - 2²⁴ = 556437560323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556454337529) 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, 13649729 + ... + 13690434.

It is an arithmetic number, because the mean of its divisors is an integer number (139120424514).

Almost surely, 2^556454337539 is an apocalyptic number.

556454337539 is a deficient number, since it is larger than the sum of its proper divisors (27360517).

556454337539 is a wasteful number, since it uses less digits than its factorization.

556454337539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27360516.

The product of its digits is 102060000, while the sum is 59.

The spelling of 556454337539 in words is "five hundred fifty-six billion, four hundred fifty-four million, three hundred thirty-seven thousand, five hundred thirty-nine".