56400002 has 8 divisors (see below), whose sum is σ = 88278336. Its totient is φ = 26973892.

The previous prime is 56399989. The next prime is 56400007. The reversal of 56400002 is 20000465.

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 (56400007) 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 3 ways as a sum of consecutive naturals, for example, 612998 + ... + 613089.

It is an arithmetic number, because the mean of its divisors is an integer number (11034792).

Almost surely, 2^56400002 is an apocalyptic number.

56400002 is a deficient number, since it is larger than the sum of its proper divisors (31878334).

56400002 is a wasteful number, since it uses less digits than its factorization.

56400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226112.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 56400002 is about 7509.9934753633. The cubic root of 56400002 is about 383.4950004079.

Adding to 56400002 its reverse (20000465), we get a palindrome (76400467).

The spelling of 56400002 in words is "fifty-six million, four hundred thousand, two".