56285997200 has 60 divisors (see below), whose sum is σ = 138525370788. Its totient is φ = 21965260800.

The previous prime is 56285997169. The next prime is 56285997211. The reversal of 56285997200 is 279958265.

It can be written as a sum of positive squares in 6 ways, for example, as 26441361664 + 29844635536 = 162608^2 + 172756^2 .

It is a super-2 number, since 2×56285997200² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1699637 + ... + 1732436.

Almost surely, 2^56285997200 is an apocalyptic number.

56285997200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56285997200 is an abundant number, since it is smaller than the sum of its proper divisors (82239373588).

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

56285997200 is a wasteful number, since it uses less digits than its factorization.

56285997200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432132 (or 3432121 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 56285997200 in words is "fifty-six billion, two hundred eighty-five million, nine hundred ninety-seven thousand, two hundred".