6555320053 has 2 divisors, whose sum is σ = 6555320054. Its totient is φ = 6555320052.

The previous prime is 6555319961. The next prime is 6555320069. The reversal of 6555320053 is 3500235556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5828100964 + 727219089 = 76342^2 + 26967^2 .

It is a cyclic number.

It is not a de Polignac number, because 6555320053 - 2²¹ = 6553222901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6555320153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3277660026 + 3277660027.

It is an arithmetic number, because the mean of its divisors is an integer number (3277660027).

Almost surely, 2^6555320053 is an apocalyptic number.

It is an amenable number.

6555320053 is a deficient number, since it is larger than the sum of its proper divisors (1).

6555320053 is an equidigital number, since it uses as much as digits as its factorization.

6555320053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67500, while the sum is 34.

The square root of 6555320053 is about 80964.9310071959. The cubic root of 6555320053 is about 1871.5350577146.

The spelling of 6555320053 in words is "six billion, five hundred fifty-five million, three hundred twenty thousand, fifty-three".