55278568801 has 16 divisors (see below), whose sum is σ = 57577478400. Its totient is φ = 53024070528.

The previous prime is 55278568771. The next prime is 55278568853. The reversal of 55278568801 is 10886587255.

55278568801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55278568801 - 2⁵ = 55278568769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55278568901) 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, 1982565 + ... + 2010253.

It is an arithmetic number, because the mean of its divisors is an integer number (3598592400).

Almost surely, 2^55278568801 is an apocalyptic number.

It is an amenable number.

55278568801 is a deficient number, since it is larger than the sum of its proper divisors (2298909599).

55278568801 is a wasteful number, since it uses less digits than its factorization.

55278568801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28488.

The product of its (nonzero) digits is 5376000, while the sum is 55.

The spelling of 55278568801 in words is "fifty-five billion, two hundred seventy-eight million, five hundred sixty-eight thousand, eight hundred one".