56669803 has 2 divisors, whose sum is σ = 56669804. Its totient is φ = 56669802.

The previous prime is 56669797. The next prime is 56669819. The reversal of 56669803 is 30896665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56669803 - 2¹⁷ = 56538731 is a prime.

It is a super-3 number, since 3×56669803³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 56669803.

It is not a weakly prime, because it can be changed into another prime (56666803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28334901 + 28334902.

It is an arithmetic number, because the mean of its divisors is an integer number (28334902).

Almost surely, 2^56669803 is an apocalyptic number.

56669803 is a deficient number, since it is larger than the sum of its proper divisors (1).

56669803 is an equidigital number, since it uses as much as digits as its factorization.

56669803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 56669803 is about 7527.9348429699. The cubic root of 56669803 is about 384.1055369461.

The spelling of 56669803 in words is "fifty-six million, six hundred sixty-nine thousand, eight hundred three".