56205651 has 4 divisors (see below), whose sum is σ = 74940872. Its totient is φ = 37470432.

The previous prime is 56205649. The next prime is 56205679. The reversal of 56205651 is 15650265.

56205651 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 not a de Polignac number, because 56205651 - 2¹ = 56205649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56205641) 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, 9367606 + ... + 9367611.

It is an arithmetic number, because the mean of its divisors is an integer number (18735218).

Almost surely, 2^56205651 is an apocalyptic number.

56205651 is a deficient number, since it is larger than the sum of its proper divisors (18735221).

56205651 is a wasteful number, since it uses less digits than its factorization.

56205651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18735220.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 56205651 is about 7497.0428170046. The cubic root of 56205651 is about 383.0539932560.

The spelling of 56205651 in words is "fifty-six million, two hundred five thousand, six hundred fifty-one".