56552533 has 2 divisors, whose sum is σ = 56552534. Its totient is φ = 56552532.

The previous prime is 56552501. The next prime is 56552549. The reversal of 56552533 is 33525565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53100369 + 3452164 = 7287^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 56552533 - 2⁵ = 56552501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56552563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28276266 + 28276267.

It is an arithmetic number, because the mean of its divisors is an integer number (28276267).

Almost surely, 2^56552533 is an apocalyptic number.

It is an amenable number.

56552533 is a deficient number, since it is larger than the sum of its proper divisors (1).

56552533 is an equidigital number, since it uses as much as digits as its factorization.

56552533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67500, while the sum is 34.

The square root of 56552533 is about 7520.1418204712. The cubic root of 56552533 is about 383.8404036039.

The spelling of 56552533 in words is "fifty-six million, five hundred fifty-two thousand, five hundred thirty-three".