54577633897 has 4 divisors (see below), whose sum is σ = 54673552980. Its totient is φ = 54481714816.

The previous prime is 54577633811. The next prime is 54577633921. The reversal of 54577633897 is 79833677545.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36625921641 + 17951712256 = 191379^2 + 133984^2 .

It is a cyclic number.

It is not a de Polignac number, because 54577633897 - 2²⁷ = 54443416169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54577630897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47958688 + ... + 47959825.

It is an arithmetic number, because the mean of its divisors is an integer number (13668388245).

Almost surely, 2^54577633897 is an apocalyptic number.

It is an amenable number.

54577633897 is a deficient number, since it is larger than the sum of its proper divisors (95919083).

54577633897 is an equidigital number, since it uses as much as digits as its factorization.

54577633897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95919082.

The product of its digits is 133358400, while the sum is 64.

The spelling of 54577633897 in words is "fifty-four billion, five hundred seventy-seven million, six hundred thirty-three thousand, eight hundred ninety-seven".