56205761 has 8 divisors (see below), whose sum is σ = 57068544. Its totient is φ = 55349280.

The previous prime is 56205739. The next prime is 56205763. The reversal of 56205761 is 16750265.

It is a happy number.

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 56205761 - 2¹⁴ = 56189377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56205763) 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, 18245 + ... + 21101.

It is an arithmetic number, because the mean of its divisors is an integer number (7133568).

Almost surely, 2^56205761 is an apocalyptic number.

It is an amenable number.

56205761 is a deficient number, since it is larger than the sum of its proper divisors (862783).

56205761 is a wasteful number, since it uses less digits than its factorization.

56205761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 56205761 is about 7497.0501532269. The cubic root of 56205761 is about 383.0542431473.

The spelling of 56205761 in words is "fifty-six million, two hundred five thousand, seven hundred sixty-one".