55433466431 has 16 divisors (see below), whose sum is σ = 67372107840. Its totient is φ = 44524131840.

The previous prime is 55433466421. The next prime is 55433466437. The reversal of 55433466431 is 13466433455.

It is a cyclic number.

It is not a de Polignac number, because 55433466431 - 2⁶ = 55433466367 is a prime.

It is a super-2 number, since 2×55433466431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55433466437) 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 15 ways as a sum of consecutive naturals, for example, 989840 + ... + 1044341.

It is an arithmetic number, because the mean of its divisors is an integer number (4210756740).

Almost surely, 2^55433466431 is an apocalyptic number.

55433466431 is a deficient number, since it is larger than the sum of its proper divisors (11938641409).

55433466431 is a wasteful number, since it uses less digits than its factorization.

55433466431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034434.

The product of its digits is 1555200, while the sum is 44.

Adding to 55433466431 its reverse (13466433455), we get a palindrome (68899899886).

The spelling of 55433466431 in words is "fifty-five billion, four hundred thirty-three million, four hundred sixty-six thousand, four hundred thirty-one".