56689070 has 16 divisors (see below), whose sum is σ = 102155040. Its totient is φ = 22650144.

The previous prime is 56689051. The next prime is 56689079. The reversal of 56689070 is 7098665.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56689079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8039 + ... + 13341.

It is an arithmetic number, because the mean of its divisors is an integer number (6384690).

Almost surely, 2^56689070 is an apocalyptic number.

56689070 is a deficient number, since it is larger than the sum of its proper divisors (45465970).

56689070 is a wasteful number, since it uses less digits than its factorization.

56689070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6379.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 56689070 is about 7529.2144344546. The cubic root of 56689070 is about 384.1490623186.

The spelling of 56689070 in words is "fifty-six million, six hundred eighty-nine thousand, seventy".