55723264559 has 8 divisors (see below), whose sum is σ = 58152098400. Its totient is φ = 53294937696.

The previous prime is 55723264523. The next prime is 55723264577. The reversal of 55723264559 is 95546232755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55723264559 is a prime.

It is a super-2 number, since 2×55723264559² (a number of 22 digits) contains 22 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 55723264559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55723264589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107069 + ... + 350585.

It is an arithmetic number, because the mean of its divisors is an integer number (7269012300).

Almost surely, 2^55723264559 is an apocalyptic number.

55723264559 is a deficient number, since it is larger than the sum of its proper divisors (2428833841).

55723264559 is a wasteful number, since it uses less digits than its factorization.

55723264559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253489.

The product of its digits is 11340000, while the sum is 53.

The spelling of 55723264559 in words is "fifty-five billion, seven hundred twenty-three million, two hundred sixty-four thousand, five hundred fifty-nine".