55706533 has 2 divisors, whose sum is σ = 55706534. Its totient is φ = 55706532.

The previous prime is 55706527. The next prime is 55706579. The reversal of 55706533 is 33560755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28227969 + 27478564 = 5313^2 + 5242^2 .

It is a cyclic number.

It is not a de Polignac number, because 55706533 - 2²⁵ = 22152101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55706503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27853266 + 27853267.

It is an arithmetic number, because the mean of its divisors is an integer number (27853267).

Almost surely, 2^55706533 is an apocalyptic number.

It is an amenable number.

55706533 is a deficient number, since it is larger than the sum of its proper divisors (1).

55706533 is an equidigital number, since it uses as much as digits as its factorization.

55706533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 55706533 is about 7463.6809283356. The cubic root of 55706533 is about 381.9167536043.

The spelling of 55706533 in words is "fifty-five million, seven hundred six thousand, five hundred thirty-three".