56197402 has 16 divisors (see below), whose sum is σ = 89195040. Its totient is φ = 26481168.

The previous prime is 56197399. The next prime is 56197403. The reversal of 56197402 is 20479165.

It is not an unprimeable number, because it can be changed into a prime (56197403) 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, 3733 + ... + 11239.

It is an arithmetic number, because the mean of its divisors is an integer number (5574690).

Almost surely, 2^56197402 is an apocalyptic number.

56197402 is a deficient number, since it is larger than the sum of its proper divisors (32997638).

56197402 is a wasteful number, since it uses less digits than its factorization.

56197402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7725.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 56197402 is about 7496.4926465648. The cubic root of 56197402 is about 383.0352527502.

The spelling of 56197402 in words is "fifty-six million, one hundred ninety-seven thousand, four hundred two".