55699041897 has 24 divisors (see below), whose sum is σ = 85075081728. Its totient is φ = 35058398400.

The previous prime is 55699041889. The next prime is 55699041901. The reversal of 55699041897 is 79814099655.

It is not a de Polignac number, because 55699041897 - 2³ = 55699041889 is a prime.

It is a super-2 number, since 2×55699041897² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55699041817) 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, 2423173 + ... + 2446050.

It is an arithmetic number, because the mean of its divisors is an integer number (3544795072).

Almost surely, 2^55699041897 is an apocalyptic number.

It is an amenable number.

55699041897 is a deficient number, since it is larger than the sum of its proper divisors (29376039831).

55699041897 is a wasteful number, since it uses less digits than its factorization.

55699041897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869301 (or 4869298 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 63.

The spelling of 55699041897 in words is "fifty-five billion, six hundred ninety-nine million, forty-one thousand, eight hundred ninety-seven".