56204573 has 2 divisors, whose sum is σ = 56204574. Its totient is φ = 56204572.

The previous prime is 56204549. The next prime is 56204579. The reversal of 56204573 is 37540265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55920484 + 284089 = 7478^2 + 533^2 .

It is a cyclic number.

It is not a de Polignac number, because 56204573 - 2⁶ = 56204509 is a prime.

It is a super-2 number, since 2×56204573² = 6317908052224658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56204579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28102286 + 28102287.

It is an arithmetic number, because the mean of its divisors is an integer number (28102287).

Almost surely, 2^56204573 is an apocalyptic number.

It is an amenable number.

56204573 is a deficient number, since it is larger than the sum of its proper divisors (1).

56204573 is an equidigital number, since it uses as much as digits as its factorization.

56204573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 56204573 is about 7496.9709216456. The cubic root of 56204573 is about 383.0515443039.

The spelling of 56204573 in words is "fifty-six million, two hundred four thousand, five hundred seventy-three".