55535830025555 has 16 divisors (see below), whose sum is σ = 76978006111584. Its totient is φ = 38013830177280.

The previous prime is 55535830025537. The next prime is 55535830025587. The reversal of 55535830025555 is 55552003853555.

It is not a de Polignac number, because 55535830025555 - 2⁶ = 55535830025491 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 55535830025555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29698303892 + ... + 29698305761.

It is an arithmetic number, because the mean of its divisors is an integer number (4811125381974).

Almost surely, 2^{55535830025555} is an apocalyptic number.

55535830025555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55535830025555 is a deficient number, since it is larger than the sum of its proper divisors (21442176086029).

55535830025555 is a wasteful number, since it uses less digits than its factorization.

55535830025555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59396609686.

The product of its (nonzero) digits is 56250000, while the sum is 56.

The spelling of 55535830025555 in words is "fifty-five trillion, five hundred thirty-five billion, eight hundred thirty million, twenty-five thousand, five hundred fifty-five".