56838800066 has 16 divisors (see below), whose sum is σ = 85584580224. Its totient is φ = 28310781744.

The previous prime is 56838800063. The next prime is 56838800069. The reversal of 56838800066 is 66000883865.

It is an interprime number because it is at equal distance from previous prime (56838800063) and next prime (56838800069).

It is a junction number, because it is equal to n+sod(n) for n = 56838799987 and 56838800023.

It is not an unprimeable number, because it can be changed into a prime (56838800063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615575 + ... + 701861.

It is an arithmetic number, because the mean of its divisors is an integer number (5349036264).

Almost surely, 2^56838800066 is an apocalyptic number.

56838800066 is a deficient number, since it is larger than the sum of its proper divisors (28745780158).

56838800066 is a wasteful number, since it uses less digits than its factorization.

56838800066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87545.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 56838800066 in words is "fifty-six billion, eight hundred thirty-eight million, eight hundred thousand, sixty-six".