55155748046 has 36 divisors (see below), whose sum is σ = 98878669512. Its totient is φ = 22602145632.

The previous prime is 55155748031. The next prime is 55155748099. The reversal of 55155748046 is 64084755155.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55155747985 and 55155748003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20209610 + ... + 20212338.

Almost surely, 2^55155748046 is an apocalyptic number.

55155748046 is a deficient number, since it is larger than the sum of its proper divisors (43722921466).

55155748046 is an frugal number, since it uses more digits than its factorization.

55155748046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513 (or 2761 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 50.

The spelling of 55155748046 in words is "fifty-five billion, one hundred fifty-five million, seven hundred forty-eight thousand, forty-six".