56361533 has 2 divisors, whose sum is σ = 56361534. Its totient is φ = 56361532.

The previous prime is 56361527. The next prime is 56361541. The reversal of 56361533 is 33516365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35366809 + 20994724 = 5947^2 + 4582^2 .

It is a cyclic number.

It is not a de Polignac number, because 56361533 - 2⁴ = 56361517 is a prime.

It is a super-2 number, since 2×56361533² = 6353244804220178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56361533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56361553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28180766 + 28180767.

It is an arithmetic number, because the mean of its divisors is an integer number (28180767).

Almost surely, 2^56361533 is an apocalyptic number.

It is an amenable number.

56361533 is a deficient number, since it is larger than the sum of its proper divisors (1).

56361533 is an equidigital number, since it uses as much as digits as its factorization.

56361533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 32.

The square root of 56361533 is about 7507.4318511725. The cubic root of 56361533 is about 383.4077898639.

Adding to 56361533 its reverse (33516365), we get a palindrome (89877898).

The spelling of 56361533 in words is "fifty-six million, three hundred sixty-one thousand, five hundred thirty-three".