55897643097 has 12 divisors (see below), whose sum is σ = 80780204544. Its totient is φ = 37247019480.

The previous prime is 55897643089. The next prime is 55897643129. The reversal of 55897643097 is 79034679855.

55897643097 is a `hidden beast` number, since 5 + 589 + 7 + 6 + 43 + 0 + 9 + 7 = 666.

It is not a de Polignac number, because 55897643097 - 2³ = 55897643089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55897643077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1486729 + ... + 1523862.

It is an arithmetic number, because the mean of its divisors is an integer number (6731683712).

Almost surely, 2^55897643097 is an apocalyptic number.

It is an amenable number.

55897643097 is a deficient number, since it is larger than the sum of its proper divisors (24882561447).

55897643097 is a wasteful number, since it uses less digits than its factorization.

55897643097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012660 (or 3012657 counting only the distinct ones).

The product of its (nonzero) digits is 57153600, while the sum is 63.

The spelling of 55897643097 in words is "fifty-five billion, eight hundred ninety-seven million, six hundred forty-three thousand, ninety-seven".