55964533 has 2 divisors, whose sum is σ = 55964534. Its totient is φ = 55964532.

The previous prime is 55964521. The next prime is 55964551. The reversal of 55964533 is 33546955.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33097009 + 22867524 = 5753^2 + 4782^2 .

It is a cyclic number.

It is not a de Polignac number, because 55964533 - 2¹⁷ = 55833461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55964563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27982266 + 27982267.

It is an arithmetic number, because the mean of its divisors is an integer number (27982267).

Almost surely, 2^55964533 is an apocalyptic number.

It is an amenable number.

55964533 is a deficient number, since it is larger than the sum of its proper divisors (1).

55964533 is an equidigital number, since it uses as much as digits as its factorization.

55964533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 40.

The square root of 55964533 is about 7480.9446596001. The cubic root of 55964533 is about 382.5054505325.

The spelling of 55964533 in words is "fifty-five million, nine hundred sixty-four thousand, five hundred thirty-three".