56287402 has 8 divisors (see below), whose sum is σ = 84627396. Its totient is φ = 28078272.

The previous prime is 56287381. The next prime is 56287403. The reversal of 56287402 is 20478265.

56287402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 46117681 + 10169721 = 6791^2 + 3189^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (56287403) 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 3 ways as a sum of consecutive naturals, for example, 31633 + ... + 33364.

Almost surely, 2^56287402 is an apocalyptic number.

56287402 is a deficient number, since it is larger than the sum of its proper divisors (28339994).

56287402 is a wasteful number, since it uses less digits than its factorization.

56287402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65432.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 56287402 is about 7502.4930523127. The cubic root of 56287402 is about 383.2396203602.

The spelling of 56287402 in words is "fifty-six million, two hundred eighty-seven thousand, four hundred two".