505025555053 has 2 divisors, whose sum is σ = 505025555054. Its totient is φ = 505025555052.

The previous prime is 505025555051. The next prime is 505025555059. The reversal of 505025555053 is 350555520505.

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., 475102782729 + 29922772324 = 689277^2 + 172982^2 .

It is a cyclic number.

It is not a de Polignac number, because 505025555053 - 2¹ = 505025555051 is a prime.

It is a super-2 number, since 2×505025555053² (a number of 24 digits) contains 22 as substring.

Together with 505025555051, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 505025554997 and 505025555015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505025555051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252512777526 + 252512777527.

It is an arithmetic number, because the mean of its divisors is an integer number (252512777527).

Almost surely, 2^505025555053 is an apocalyptic number.

It is an amenable number.

505025555053 is a deficient number, since it is larger than the sum of its proper divisors (1).

505025555053 is an equidigital number, since it uses as much as digits as its factorization.

505025555053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 468750, while the sum is 40.

The spelling of 505025555053 in words is "five hundred five billion, twenty-five million, five hundred fifty-five thousand, fifty-three".