55510488401555 has 24 divisors (see below), whose sum is σ = 73943731591632. Its totient is φ = 39971548760000.

The previous prime is 55510488401539. The next prime is 55510488401569.

55510488401555 is nontrivially palindromic in base 10.

55510488401555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55510488401555 - 2⁴ = 55510488401539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55510488401555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454161041 + ... + 454283250.

It is an arithmetic number, because the mean of its divisors is an integer number (3080988816318).

Almost surely, 2^{55510488401555} is an apocalyptic number.

55510488401555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55510488401555 is a deficient number, since it is larger than the sum of its proper divisors (18433243190077).

55510488401555 is a wasteful number, since it uses less digits than its factorization.

55510488401555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908444419 (or 908444408 counting only the distinct ones).

The product of its (nonzero) digits is 16000000, while the sum is 56.

The spelling of 55510488401555 in words is "fifty-five trillion, five hundred ten billion, four hundred eighty-eight million, four hundred one thousand, five hundred fifty-five".