56204533 has 16 divisors (see below), whose sum is σ = 74196864. Its totient is φ = 41218560.

The previous prime is 56204513. The next prime is 56204543. The reversal of 56204533 is 33540265.

It is a cyclic number.

It is not a de Polignac number, because 56204533 - 2⁹ = 56204021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56204503) 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, 20160 + ... + 22777.

It is an arithmetic number, because the mean of its divisors is an integer number (4637304).

Almost surely, 2^56204533 is an apocalyptic number.

It is an amenable number.

56204533 is a deficient number, since it is larger than the sum of its proper divisors (17992331).

56204533 is a wasteful number, since it uses less digits than its factorization.

56204533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42972.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 56204533 is about 7496.9682539010. The cubic root of 56204533 is about 383.0514534331.

Adding to 56204533 its reverse (33540265), we get a palindrome (89744798).

It can be divided in two parts, 5620 and 4533, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 56204533 in words is "fifty-six million, two hundred four thousand, five hundred thirty-three".