54377646217 has 8 divisors (see below), whose sum is σ = 54675621000. Its totient is φ = 54079893504.

The previous prime is 54377646209. The next prime is 54377646223. The reversal of 54377646217 is 71264677345.

It can be written as a sum of positive squares in 4 ways, for example, as 21295856761 + 33081789456 = 145931^2 + 181884^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 54377646217 - 2³ = 54377646209 is a prime.

It is a super-2 number, since 2×54377646217² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54377643217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448009 + ... + 556297.

It is an arithmetic number, because the mean of its divisors is an integer number (6834452625).

Almost surely, 2^54377646217 is an apocalyptic number.

It is an amenable number.

54377646217 is a deficient number, since it is larger than the sum of its proper divisors (297974783).

54377646217 is a wasteful number, since it uses less digits than its factorization.

54377646217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111035.

The product of its digits is 5927040, while the sum is 52.

The spelling of 54377646217 in words is "fifty-four billion, three hundred seventy-seven million, six hundred forty-six thousand, two hundred seventeen".