55151266623 has 16 divisors (see below), whose sum is σ = 74425295616. Its totient is φ = 36323723520.

The previous prime is 55151266571. The next prime is 55151266637. The reversal of 55151266623 is 32666215155.

It is not a de Polignac number, because 55151266623 - 2⁶ = 55151266559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55151266523) 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, 4483 + ... + 332148.

It is an arithmetic number, because the mean of its divisors is an integer number (4651580976).

Almost surely, 2^55151266623 is an apocalyptic number.

55151266623 is a deficient number, since it is larger than the sum of its proper divisors (19274028993).

55151266623 is a wasteful number, since it uses less digits than its factorization.

55151266623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337294.

The product of its digits is 324000, while the sum is 42.

The spelling of 55151266623 in words is "fifty-five billion, one hundred fifty-one million, two hundred sixty-six thousand, six hundred twenty-three".