54882020139264 has 54 divisors (see below), whose sum is σ = 158238394010606. Its totient is φ = 18294006712320.

The previous prime is 54882020139241. The next prime is 54882020139277. The reversal of 54882020139264 is 46293102028845.

54882020139264 is a `hidden beast` number, since 5 + 48 + 8 + 2 + 0 + 201 + 392 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32078721060864 + 22803299078400 = 5663808^2 + 4775280^2 .

It is a super-2 number, since 2×54882020139264² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54882020139264.

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, 11910158317 + ... + 11910162924.

Almost surely, 2^{54882020139264} is an apocalyptic number.

It is an amenable number.

54882020139264 is an abundant number, since it is smaller than the sum of its proper divisors (103356373871342).

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

54882020139264 is a wasteful number, since it uses less digits than its factorization.

54882020139264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23820321263 (or 23820321246 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 54882020139264 in words is "fifty-four trillion, eight hundred eighty-two billion, twenty million, one hundred thirty-nine thousand, two hundred sixty-four".