544055122221555 has 32 divisors (see below), whose sum is σ = 1019108131388928. Its totient is φ = 242644793184000.

The previous prime is 544055122221509. The next prime is 544055122221581. The reversal of 544055122221555 is 555122221550445.

It is not a de Polignac number, because 544055122221555 - 2¹⁴ = 544055122205171 is a prime.

It is a super-2 number, since 2×544055122221555² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63188743921 + ... + 63188752530.

It is an arithmetic number, because the mean of its divisors is an integer number (31847129105904).

Almost surely, 2^{544055122221555} is an apocalyptic number.

544055122221555 is a deficient number, since it is larger than the sum of its proper divisors (475053009167373).

544055122221555 is a wasteful number, since it uses less digits than its factorization.

544055122221555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126377496507.

The product of its (nonzero) digits is 4000000, while the sum is 48.

The spelling of 544055122221555 in words is "five hundred forty-four trillion, fifty-five billion, one hundred twenty-two million, two hundred twenty-one thousand, five hundred fifty-five".