55303623305 has 8 divisors (see below), whose sum is σ = 75844969152. Its totient is φ = 37922484528.

The previous prime is 55303623251. The next prime is 55303623329. The reversal of 55303623305 is 50332630355.

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

It is a cyclic number.

It is not a de Polignac number, because 55303623305 - 2²⁶ = 55236514441 is a prime.

It is a super-2 number, since 2×55303623305² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1580103523 = 55303623305 / (5 + 5 + 3 + 0 + 3 + 6 + 2 + 3 + 3 + 0 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790051727 + ... + 790051796.

It is an arithmetic number, because the mean of its divisors is an integer number (9480621144).

Almost surely, 2^55303623305 is an apocalyptic number.

It is an amenable number.

55303623305 is a deficient number, since it is larger than the sum of its proper divisors (20541345847).

55303623305 is a wasteful number, since it uses less digits than its factorization.

55303623305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580103535.

The product of its (nonzero) digits is 121500, while the sum is 35.

The spelling of 55303623305 in words is "fifty-five billion, three hundred three million, six hundred twenty-three thousand, three hundred five".