55358357807 has 4 divisors (see below), whose sum is σ = 55380163560. Its totient is φ = 55336552056.

The previous prime is 55358357777. The next prime is 55358357827. The reversal of 55358357807 is 70875385355.

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 55358357807 - 2²⁸ = 55089922351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55358357827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10899068 + ... + 10904145.

It is an arithmetic number, because the mean of its divisors is an integer number (13845040890).

Almost surely, 2^55358357807 is an apocalyptic number.

55358357807 is a deficient number, since it is larger than the sum of its proper divisors (21805753).

55358357807 is a wasteful number, since it uses less digits than its factorization.

55358357807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21805752.

The product of its (nonzero) digits is 17640000, while the sum is 56.

The spelling of 55358357807 in words is "fifty-five billion, three hundred fifty-eight million, three hundred fifty-seven thousand, eight hundred seven".