56001651 has 4 divisors (see below), whose sum is σ = 74668872. Its totient is φ = 37334432.

The previous prime is 56001643. The next prime is 56001653. The reversal of 56001651 is 15610065.

56001651 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 is a cyclic number.

It is not a de Polignac number, because 56001651 - 2³ = 56001643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56001653) 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, 9333606 + ... + 9333611.

It is an arithmetic number, because the mean of its divisors is an integer number (18667218).

Almost surely, 2^56001651 is an apocalyptic number.

56001651 is a deficient number, since it is larger than the sum of its proper divisors (18667221).

56001651 is a wasteful number, since it uses less digits than its factorization.

56001651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18667220.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 56001651 is about 7483.4250848124. The cubic root of 56001651 is about 382.5899963382.

The spelling of 56001651 in words is "fifty-six million, one thousand, six hundred fifty-one".