56669798 has 16 divisors (see below), whose sum is σ = 88058880. Its totient is φ = 27323400.

The previous prime is 56669797. The next prime is 56669803. The reversal of 56669798 is 89796665.

56669798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56669798² = 6422932010721608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56669791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17813 + ... + 20751.

It is an arithmetic number, because the mean of its divisors is an integer number (5503680).

Almost surely, 2^56669798 is an apocalyptic number.

56669798 is a deficient number, since it is larger than the sum of its proper divisors (31389082).

56669798 is a wasteful number, since it uses less digits than its factorization.

56669798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283.

The product of its digits is 4898880, while the sum is 56.

The square root of 56669798 is about 7527.9345108735. The cubic root of 56669798 is about 384.1055256496.

The spelling of 56669798 in words is "fifty-six million, six hundred sixty-nine thousand, seven hundred ninety-eight".