55478922059 has 16 divisors (see below), whose sum is σ = 62068930560. Its totient is φ = 49155644160.

The previous prime is 55478922053. The next prime is 55478922137. The reversal of 55478922059 is 95022987455.

It is a cyclic number.

It is not a de Polignac number, because 55478922059 - 2⁴ = 55478922043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55478921995 and 55478922013.

It is not an unprimeable number, because it can be changed into a prime (55478922053) 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, 100934 + ... + 348059.

It is an arithmetic number, because the mean of its divisors is an integer number (3879308160).

Almost surely, 2^55478922059 is an apocalyptic number.

55478922059 is a deficient number, since it is larger than the sum of its proper divisors (6590008501).

55478922059 is a wasteful number, since it uses less digits than its factorization.

55478922059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449290.

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 55478922059 in words is "fifty-five billion, four hundred seventy-eight million, nine hundred twenty-two thousand, fifty-nine".