54130521188 has 24 divisors (see below), whose sum is σ = 95226677112. Its totient is φ = 26923221504.

The previous prime is 54130521187. The next prime is 54130521227. The reversal of 54130521188 is 88112503145.

It can be written as a sum of positive squares in 4 ways, for example, as 1981318144 + 52149203044 = 44512^2 + 228362^2 .

It is a super-2 number, since 2×54130521188² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54130521187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639356 + ... + 719052.

It is an arithmetic number, because the mean of its divisors is an integer number (3967778213).

Almost surely, 2^54130521188 is an apocalyptic number.

It is an amenable number.

54130521188 is a deficient number, since it is larger than the sum of its proper divisors (41096155924).

54130521188 is a wasteful number, since it uses less digits than its factorization.

54130521188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80591 (or 80589 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 54130521188 in words is "fifty-four billion, one hundred thirty million, five hundred twenty-one thousand, one hundred eighty-eight".