55357272897 has 8 divisors (see below), whose sum is σ = 75019692480. Its totient is φ = 36299850960.

The previous prime is 55357272889. The next prime is 55357272979. The reversal of 55357272897 is 79827275355.

55357272897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55357272897 - 2³ = 55357272889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55357272897.

It is not an unprimeable number, because it can be changed into a prime (55357272847) 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, 151249197 + ... + 151249562.

It is an arithmetic number, because the mean of its divisors is an integer number (9377461560).

Almost surely, 2^55357272897 is an apocalyptic number.

It is an amenable number.

55357272897 is a deficient number, since it is larger than the sum of its proper divisors (19662419583).

55357272897 is a wasteful number, since it uses less digits than its factorization.

55357272897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302498823.

The product of its digits is 37044000, while the sum is 60.

The spelling of 55357272897 in words is "fifty-five billion, three hundred fifty-seven million, two hundred seventy-two thousand, eight hundred ninety-seven".