54267778512 has 30 divisors (see below), whose sum is σ = 151874408322. Its totient is φ = 18089259456.

The previous prime is 54267778483. The next prime is 54267778553. The reversal of 54267778512 is 21587776245.

54267778512 is a `hidden beast` number, since 54 + 2 + 6 + 7 + 7 + 78 + 512 = 666.

It can be written as a sum of positive squares in only one way, i.e., 30163352976 + 24104425536 = 173676^2 + 155256^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188429643 + ... + 188429930.

Almost surely, 2^54267778512 is an apocalyptic number.

It is an amenable number.

54267778512 is an abundant number, since it is smaller than the sum of its proper divisors (97606629810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54267778512 is a wasteful number, since it uses less digits than its factorization.

54267778512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376859587 (or 376859578 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The spelling of 54267778512 in words is "fifty-four billion, two hundred sixty-seven million, seven hundred seventy-eight thousand, five hundred twelve".