56205161 has 8 divisors (see below), whose sum is σ = 59013120. Its totient is φ = 53455248.

The previous prime is 56205151. The next prime is 56205167. The reversal of 56205161 is 16150265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56205161 - 2¹⁴ = 56188777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56205161.

It is not an unprimeable number, because it can be changed into a prime (56205167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12521 + ... + 16406.

It is an arithmetic number, because the mean of its divisors is an integer number (7376640).

Almost surely, 2^56205161 is an apocalyptic number.

It is an amenable number.

56205161 is a deficient number, since it is larger than the sum of its proper divisors (2807959).

56205161 is a wasteful number, since it uses less digits than its factorization.

56205161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29023.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 56205161 is about 7497.0101373814. The cubic root of 56205161 is about 383.0528800998.

The spelling of 56205161 in words is "fifty-six million, two hundred five thousand, one hundred sixty-one".