5557287285 has 128 divisors (see below), whose sum is σ = 11154309120. Its totient is φ = 2634431040.

The previous prime is 5557287269. The next prime is 5557287289. The reversal of 5557287285 is 5827827555.

5557287285 is a `hidden beast` number, since 5 + 557 + 2 + 8 + 7 + 2 + 85 = 666.

It is not a de Polignac number, because 5557287285 - 2⁴ = 5557287269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5557287289) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5652904 + ... + 5653886.

It is an arithmetic number, because the mean of its divisors is an integer number (87143040).

Almost surely, 2^5557287285 is an apocalyptic number.

5557287285 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5557287285 is an abundant number, since it is smaller than the sum of its proper divisors (5597021835).

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

5557287285 is an equidigital number, since it uses as much as digits as its factorization.

5557287285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1049 counting only the distinct ones).

The product of its digits is 7840000, while the sum is 54.

The square root of 5557287285 is about 74547.2151391318. The cubic root of 5557287285 is about 1771.2816199003.

The spelling of 5557287285 in words is "five billion, five hundred fifty-seven million, two hundred eighty-seven thousand, two hundred eighty-five".