55196212899 has 24 divisors (see below), whose sum is σ = 74752525120. Its totient is φ = 36226257264.

The previous prime is 55196212861. The next prime is 55196212913. The reversal of 55196212899 is 99821269155.

It is not a de Polignac number, because 55196212899 - 2⁹ = 55196212387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55196212399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5593632 + ... + 5603490.

Almost surely, 2^55196212899 is an apocalyptic number.

55196212899 is a deficient number, since it is larger than the sum of its proper divisors (19556312221).

55196212899 is a wasteful number, since it uses less digits than its factorization.

55196212899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10239 (or 10132 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 57.

The spelling of 55196212899 in words is "fifty-five billion, one hundred ninety-six million, two hundred twelve thousand, eight hundred ninety-nine".