56517353 has 2 divisors, whose sum is σ = 56517354. Its totient is φ = 56517352.

The previous prime is 56517323. The next prime is 56517361. The reversal of 56517353 is 35371565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53465344 + 3052009 = 7312^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 56517353 - 2¹⁶ = 56451817 is a prime.

It is a super-2 number, since 2×56517353² = 6388422380253218, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is equal to p_3367295 and since 56517353 and 3367295 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (56517313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28258676 + 28258677.

It is an arithmetic number, because the mean of its divisors is an integer number (28258677).

Almost surely, 2^56517353 is an apocalyptic number.

It is an amenable number.

56517353 is a deficient number, since it is larger than the sum of its proper divisors (1).

56517353 is an equidigital number, since it uses as much as digits as its factorization.

56517353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47250, while the sum is 35.

The square root of 56517353 is about 7517.8024049585. The cubic root of 56517353 is about 383.7607943998.

The spelling of 56517353 in words is "fifty-six million, five hundred seventeen thousand, three hundred fifty-three".