55431015512224 has 48 divisors (see below), whose sum is σ = 119584563598080. Its totient is φ = 25082929935360.

The previous prime is 55431015512161. The next prime is 55431015512227. The reversal of 55431015512224 is 42221551013455.

It is not an unprimeable number, because it can be changed into a prime (55431015512227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353003289 + ... + 353160280.

It is an arithmetic number, because the mean of its divisors is an integer number (2491345074960).

Almost surely, 2^{55431015512224} is an apocalyptic number.

It is an amenable number.

55431015512224 is an abundant number, since it is smaller than the sum of its proper divisors (64153548085856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55431015512224 is a wasteful number, since it uses less digits than its factorization.

55431015512224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706163813 (or 706163805 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 55431015512224 its reverse (42221551013455), we get a palindrome (97652566525679).

The spelling of 55431015512224 in words is "fifty-five trillion, four hundred thirty-one billion, fifteen million, five hundred twelve thousand, two hundred twenty-four".