55513858033 has 2 divisors, whose sum is σ = 55513858034. Its totient is φ = 55513858032.

The previous prime is 55513858027. The next prime is 55513858061. The reversal of 55513858033 is 33085831555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44275313889 + 11238544144 = 210417^2 + 106012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55513858033 is a prime.

It is not a weakly prime, because it can be changed into another prime (55513858073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27756929016 + 27756929017.

It is an arithmetic number, because the mean of its divisors is an integer number (27756929017).

Almost surely, 2^55513858033 is an apocalyptic number.

It is an amenable number.

55513858033 is a deficient number, since it is larger than the sum of its proper divisors (1).

55513858033 is an equidigital number, since it uses as much as digits as its factorization.

55513858033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 55513858033 in words is "fifty-five billion, five hundred thirteen million, eight hundred fifty-eight thousand, thirty-three".