56001906 has 12 divisors (see below), whose sum is σ = 121337502. Its totient is φ = 18667296.

The previous prime is 56001857. The next prime is 56001917. The reversal of 56001906 is 60910065.

56001906 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 only one way, i.e., 49575681 + 6426225 = 7041^2 + 2535^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 56001906.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1555591 + ... + 1555626.

Almost surely, 2^56001906 is an apocalyptic number.

56001906 is an abundant number, since it is smaller than the sum of its proper divisors (65335596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56001906 is a wasteful number, since it uses less digits than its factorization.

56001906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111225 (or 3111222 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 56001906 is about 7483.4421224461. The cubic root of 56001906 is about 382.5905770372.

The spelling of 56001906 in words is "fifty-six million, one thousand, nine hundred six".