54227807138 has 6 divisors (see below), whose sum is σ = 81342204699. Its totient is φ = 27113738906.

The previous prime is 54227807093. The next prime is 54227807143. The reversal of 54227807138 is 83170872245.

It can be written as a sum of positive squares in only one way, i.e., 27113903569 + 27113903569 = 164663^2 + 164663^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=164663.

It is a super-2 number, since 2×54227807138² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54227807092 and 54227807101.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 246995 + ... + 411657.

Almost surely, 2^54227807138 is an apocalyptic number.

54227807138 is a deficient number, since it is larger than the sum of its proper divisors (27114397561).

54227807138 is an frugal number, since it uses more digits than its factorization.

54227807138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329328 (or 164665 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 54227807138 in words is "fifty-four billion, two hundred twenty-seven million, eight hundred seven thousand, one hundred thirty-eight".