55107547254721 has 16 divisors (see below), whose sum is σ = 59744933660160. Its totient is φ = 50527127188800.

The previous prime is 55107547254691. The next prime is 55107547254737. The reversal of 55107547254721 is 12745274570155.

It is a cyclic number.

It is not a de Polignac number, because 55107547254721 - 2¹¹ = 55107547252673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55107547254791) 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, 20896191 + ... + 23385163.

It is an arithmetic number, because the mean of its divisors is an integer number (3734058353760).

Almost surely, 2^{55107547254721} is an apocalyptic number.

It is an amenable number.

55107547254721 is a deficient number, since it is larger than the sum of its proper divisors (4637386405439).

55107547254721 is a wasteful number, since it uses less digits than its factorization.

55107547254721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500416.

The product of its (nonzero) digits is 13720000, while the sum is 55.

The spelling of 55107547254721 in words is "fifty-five trillion, one hundred seven billion, five hundred forty-seven million, two hundred fifty-four thousand, seven hundred twenty-one".