54081377028 has 72 divisors (see below), whose sum is σ = 163102581600. Its totient is φ = 15451820496.

The previous prime is 54081377017. The next prime is 54081377029. The reversal of 54081377028 is 82077318045.

54081377028 is a `hidden beast` number, since 540 + 8 + 1 + 37 + 70 + 2 + 8 = 666.

It is a super-2 number, since 2×54081377028² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54081377029) 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 23 ways as a sum of consecutive naturals, for example, 5104438 + ... + 5115021.

Almost surely, 2^54081377028 is an apocalyptic number.

It is an amenable number.

54081377028 is an abundant number, since it is smaller than the sum of its proper divisors (109021204572).

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

54081377028 is a wasteful number, since it uses less digits than its factorization.

54081377028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10219486 (or 10219471 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 54081377028 in words is "fifty-four billion, eighty-one million, three hundred seventy-seven thousand, twenty-eight".