55897261089 has 8 divisors (see below), whose sum is σ = 74672734752. Its totient is φ = 37193314080.

The previous prime is 55897261067. The next prime is 55897261097. The reversal of 55897261089 is 98016279855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55897261089 - 2⁷ = 55897260961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55897261099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17879839 + ... + 17882964.

It is an arithmetic number, because the mean of its divisors is an integer number (9334091844).

Almost surely, 2^55897261089 is an apocalyptic number.

It is an amenable number.

55897261089 is a deficient number, since it is larger than the sum of its proper divisors (18775473663).

55897261089 is a wasteful number, since it uses less digits than its factorization.

55897261089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35763327.

The product of its (nonzero) digits is 10886400, while the sum is 60.

The spelling of 55897261089 in words is "fifty-five billion, eight hundred ninety-seven million, two hundred sixty-one thousand, eighty-nine".