56528712486 has 32 divisors (see below), whose sum is σ = 132230908800. Its totient is φ = 17851172040.

The previous prime is 56528712481. The next prime is 56528712491. The reversal of 56528712486 is 68421782565.

56528712486 is a `hidden beast` number, since 5 + 6 + 528 + 71 + 2 + 48 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (56528712481) and next prime (56528712491).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56528712481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27547080 + ... + 27549131.

It is an arithmetic number, because the mean of its divisors is an integer number (4132215900).

Almost surely, 2^56528712486 is an apocalyptic number.

56528712486 is an abundant number, since it is smaller than the sum of its proper divisors (75702196314).

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

56528712486 is a wasteful number, since it uses less digits than its factorization.

56528712486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55096241 (or 55096235 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The spelling of 56528712486 in words is "fifty-six billion, five hundred twenty-eight million, seven hundred twelve thousand, four hundred eighty-six".