56007818 has 4 divisors (see below), whose sum is σ = 84011730. Its totient is φ = 28003908.

The previous prime is 56007817. The next prime is 56007859. The reversal of 56007818 is 81870065.

It is a happy number.

56007818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 54804409 + 1203409 = 7403^2 + 1097^2 .

It is a super-2 number, since 2×56007818² = 6273751354242248, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56007817) 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 as a sum of consecutive naturals, namely, 14001953 + ... + 14001956.

Almost surely, 2^56007818 is an apocalyptic number.

56007818 is a deficient number, since it is larger than the sum of its proper divisors (28003912).

56007818 is a wasteful number, since it uses less digits than its factorization.

56007818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28003911.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 56007818 is about 7483.8371174151. The cubic root of 56007818 is about 382.6040396498.

The spelling of 56007818 in words is "fifty-six million, seven thousand, eight hundred eighteen".