56205069 has 16 divisors (see below), whose sum is σ = 76892544. Its totient is φ = 36504000.

The previous prime is 56205053. The next prime is 56205101. The reversal of 56205069 is 96050265.

56205069 = 2495² + 2496² + ... + 2503².

It is not a de Polignac number, because 56205069 - 2⁴ = 56205053 is a prime.

It is a super-2 number, since 2×56205069² = 6318019562589522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56205049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22839 + ... + 25179.

It is an arithmetic number, because the mean of its divisors is an integer number (4805784).

Almost surely, 2^56205069 is an apocalyptic number.

It is an amenable number.

56205069 is a deficient number, since it is larger than the sum of its proper divisors (20687475).

56205069 is a wasteful number, since it uses less digits than its factorization.

56205069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 56205069 is about 7497.0040015996. The cubic root of 56205069 is about 383.0526710984.

The spelling of 56205069 in words is "fifty-six million, two hundred five thousand, sixty-nine".