553306656 has 48 divisors (see below), whose sum is σ = 1659921984. Its totient is φ = 158087424.

The previous prime is 553306577. The next prime is 553306709. The reversal of 553306656 is 656603355.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×553306656² = 612296511147804672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411015 + ... + 412358.

It is an arithmetic number, because the mean of its divisors is an integer number (34581708).

Almost surely, 2^553306656 is an apocalyptic number.

553306656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

553306656 is an abundant number, since it is smaller than the sum of its proper divisors (1106615328).

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

553306656 is a wasteful number, since it uses less digits than its factorization.

553306656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823393 (or 823385 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 39.

The square root of 553306656 is about 23522.4712987390. The cubic root of 553306656 is about 820.9599386621.

The spelling of 553306656 in words is "five hundred fifty-three million, three hundred six thousand, six hundred fifty-six".