55403543156324 has 96 divisors (see below), whose sum is σ = 119646016842240. Its totient is φ = 22119430924800.

The previous prime is 55403543156309. The next prime is 55403543156383. The reversal of 55403543156324 is 42365134530455.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 28140062 + ... + 30044469.

It is an arithmetic number, because the mean of its divisors is an integer number (1246312675440).

Almost surely, 2^{55403543156324} is an apocalyptic number.

It is an amenable number.

55403543156324 is an abundant number, since it is smaller than the sum of its proper divisors (64242473685916).

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

55403543156324 is a wasteful number, since it uses less digits than its factorization.

55403543156324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58184649 (or 58184647 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 50.

Adding to 55403543156324 its reverse (42365134530455), we get a palindrome (97768677686779).

The spelling of 55403543156324 in words is "fifty-five trillion, four hundred three billion, five hundred forty-three million, one hundred fifty-six thousand, three hundred twenty-four".