55355313023 has 4 divisors (see below), whose sum is σ = 56642645928. Its totient is φ = 54067980120.

The previous prime is 55355312989. The next prime is 55355313073. The reversal of 55355313023 is 32031355355.

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 55355313023 - 2⁶ = 55355312959 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 (55355313073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 643666388 + ... + 643666473.

It is an arithmetic number, because the mean of its divisors is an integer number (14160661482).

Almost surely, 2^55355313023 is an apocalyptic number.

55355313023 is a deficient number, since it is larger than the sum of its proper divisors (1287332905).

55355313023 is a wasteful number, since it uses less digits than its factorization.

55355313023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287332904.

The product of its (nonzero) digits is 101250, while the sum is 35.

Adding to 55355313023 its reverse (32031355355), we get a palindrome (87386668378).

The spelling of 55355313023 in words is "fifty-five billion, three hundred fifty-five million, three hundred thirteen thousand, twenty-three".