55302049993 has 2 divisors, whose sum is σ = 55302049994. Its totient is φ = 55302049992.

The previous prime is 55302049969. The next prime is 55302050003. The reversal of 55302049993 is 39994020355.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37578985609 + 17723064384 = 193853^2 + 133128^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55302049993 is a prime.

It is not a weakly prime, because it can be changed into another prime (55302049093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27651024996 + 27651024997.

It is an arithmetic number, because the mean of its divisors is an integer number (27651024997).

Almost surely, 2^55302049993 is an apocalyptic number.

It is an amenable number.

55302049993 is a deficient number, since it is larger than the sum of its proper divisors (1).

55302049993 is an equidigital number, since it uses as much as digits as its factorization.

55302049993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1312200, while the sum is 49.

The spelling of 55302049993 in words is "fifty-five billion, three hundred two million, forty-nine thousand, nine hundred ninety-three".