56020402 has 16 divisors (see below), whose sum is σ = 87105600. Its totient is φ = 26989200.

The previous prime is 56020399. The next prime is 56020403. The reversal of 56020402 is 20402065.

It is a self number, because there is not a number n which added to its sum of digits gives 56020402.

It is not an unprimeable number, because it can be changed into a prime (56020403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52777 + ... + 53827.

It is an arithmetic number, because the mean of its divisors is an integer number (5444100).

Almost surely, 2^56020402 is an apocalyptic number.

56020402 is a deficient number, since it is larger than the sum of its proper divisors (31085198).

56020402 is a wasteful number, since it uses less digits than its factorization.

56020402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 56020402 is about 7484.6778153772. The cubic root of 56020402 is about 382.6326923681.

Adding to 56020402 its reverse (20402065), we get a palindrome (76422467).

The spelling of 56020402 in words is "fifty-six million, twenty thousand, four hundred two".