55803568 has 20 divisors (see below), whose sum is σ = 108274320. Its totient is φ = 27861824.

The previous prime is 55803547. The next prime is 55803619. The reversal of 55803568 is 86530855.

It is a super-2 number, since 2×55803568² = 6228076403061248, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55803568.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11346 + ... + 15502.

It is an arithmetic number, because the mean of its divisors is an integer number (5413716).

Almost surely, 2^55803568 is an apocalyptic number.

It is an amenable number.

55803568 is a deficient number, since it is larger than the sum of its proper divisors (52470752).

55803568 is a wasteful number, since it uses less digits than its factorization.

55803568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5004 (or 4998 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The square root of 55803568 is about 7470.1785788561. The cubic root of 55803568 is about 382.1383780899.

The spelling of 55803568 in words is "fifty-five million, eight hundred three thousand, five hundred sixty-eight".