56206133 has 2 divisors, whose sum is σ = 56206134. Its totient is φ = 56206132.

The previous prime is 56206109. The next prime is 56206141. The reversal of 56206133 is 33160265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31832164 + 24373969 = 5642^2 + 4937^2 .

It is a cyclic number.

It is not a de Polignac number, because 56206133 - 2¹² = 56202037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56206103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28103066 + 28103067.

It is an arithmetic number, because the mean of its divisors is an integer number (28103067).

Almost surely, 2^56206133 is an apocalyptic number.

It is an amenable number.

56206133 is a deficient number, since it is larger than the sum of its proper divisors (1).

56206133 is an equidigital number, since it uses as much as digits as its factorization.

56206133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 56206133 is about 7497.0749629439. The cubic root of 56206133 is about 383.0550882319.

Adding to 56206133 its reverse (33160265), we get a palindrome (89366398).

The spelling of 56206133 in words is "fifty-six million, two hundred six thousand, one hundred thirty-three".