54138776832 has 216 divisors, whose sum is σ = 179206669824. Its totient is φ = 15397834752.

The previous prime is 54138776831. The next prime is 54138776837. The reversal of 54138776832 is 23867783145.

It is a happy number.

54138776832 is a `hidden beast` number, since 5 + 413 + 87 + 76 + 83 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54138776831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3589018 + ... + 3604070.

Almost surely, 2^54138776832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54138776832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89603334912).

54138776832 is an abundant number, since it is smaller than the sum of its proper divisors (125067892992).

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

54138776832 is a wasteful number, since it uses less digits than its factorization.

54138776832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15305 (or 15288 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 54138776832 in words is "fifty-four billion, one hundred thirty-eight million, seven hundred seventy-six thousand, eight hundred thirty-two".