55323638851503 has 16 divisors (see below), whose sum is σ = 80471033369856. Its totient is φ = 33529358946240.

The previous prime is 55323638851423. The next prime is 55323638851513. The reversal of 55323638851503 is 30515883632355.

It is a de Polignac number, because none of the positive numbers 2^k-55323638851503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55323638851513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6941950 + ... + 12603092.

It is an arithmetic number, because the mean of its divisors is an integer number (5029439585616).

Almost surely, 2^{55323638851503} is an apocalyptic number.

55323638851503 is a deficient number, since it is larger than the sum of its proper divisors (25147394518353).

55323638851503 is a wasteful number, since it uses less digits than its factorization.

55323638851503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957294.

The product of its (nonzero) digits is 38880000, while the sum is 57.

The spelling of 55323638851503 in words is "fifty-five trillion, three hundred twenty-three billion, six hundred thirty-eight million, eight hundred fifty-one thousand, five hundred three".