55451343233 has 48 divisors (see below), whose sum is σ = 66240354816. Its totient is φ = 46012561920.

The previous prime is 55451343197. The next prime is 55451343251. The reversal of 55451343233 is 33234315455.

It is not a de Polignac number, because 55451343233 - 2⁶ = 55451343169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55451343533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91352816 + ... + 91353422.

It is an arithmetic number, because the mean of its divisors is an integer number (1380007392).

Almost surely, 2^55451343233 is an apocalyptic number.

It is an amenable number.

55451343233 is a deficient number, since it is larger than the sum of its proper divisors (10789011583).

55451343233 is a wasteful number, since it uses less digits than its factorization.

55451343233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1101 counting only the distinct ones).

The product of its digits is 324000, while the sum is 38.

Adding to 55451343233 its reverse (33234315455), we get a palindrome (88685658688).

The spelling of 55451343233 in words is "fifty-five billion, four hundred fifty-one million, three hundred forty-three thousand, two hundred thirty-three".