56143402 has 16 divisors (see below), whose sum is σ = 96394752. Its totient is φ = 24024240.

The previous prime is 56143361. The next prime is 56143403. The reversal of 56143402 is 20434165.

56143402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (56143403) 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 7 ways as a sum of consecutive naturals, for example, 7527 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (6024672).

Almost surely, 2^56143402 is an apocalyptic number.

56143402 is a deficient number, since it is larger than the sum of its proper divisors (40251350).

56143402 is a wasteful number, since it uses less digits than its factorization.

56143402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 56143402 is about 7492.8900966183. The cubic root of 56143402 is about 382.9125274314.

Adding to 56143402 its reverse (20434165), we get a palindrome (76577567).

The spelling of 56143402 in words is "fifty-six million, one hundred forty-three thousand, four hundred two".