55278052800555 has 16 divisors (see below), whose sum is σ = 95248337133600. Its totient is φ = 27213810609408.

The previous prime is 55278052800539. The next prime is 55278052800557. The reversal of 55278052800555 is 55500825087255.

55278052800555 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 55278052800555 - 2⁴ = 55278052800539 is a prime.

It is a super-3 number, since 3×55278052800555³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55278052800495 and 55278052800504.

It is not an unprimeable number, because it can be changed into a prime (55278052800557) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 141738596730 + ... + 141738597119.

It is an arithmetic number, because the mean of its divisors is an integer number (5953021070850).

Almost surely, 2^{55278052800555} is an apocalyptic number.

55278052800555 is a deficient number, since it is larger than the sum of its proper divisors (39970284333045).

55278052800555 is a wasteful number, since it uses less digits than its factorization.

55278052800555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283477193870.

The product of its (nonzero) digits is 28000000, while the sum is 57.

The spelling of 55278052800555 in words is "fifty-five trillion, two hundred seventy-eight billion, fifty-two million, eight hundred thousand, five hundred fifty-five".