552355552981 has 2 divisors, whose sum is σ = 552355552982. Its totient is φ = 552355552980.

The previous prime is 552355552979. The next prime is 552355552999. The reversal of 552355552981 is 189255553255.

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., 547068808881 + 5286744100 = 739641^2 + 72710^2 .

It is a cyclic number.

It is not a de Polignac number, because 552355552981 - 2¹ = 552355552979 is a prime.

It is a super-2 number, since 2×552355552981² (a number of 24 digits) contains 22 as substring.

Together with 552355552979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552355552901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276177776490 + 276177776491.

It is an arithmetic number, because the mean of its divisors is an integer number (276177776491).

Almost surely, 2^552355552981 is an apocalyptic number.

It is an amenable number.

552355552981 is a deficient number, since it is larger than the sum of its proper divisors (1).

552355552981 is an equidigital number, since it uses as much as digits as its factorization.

552355552981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500000, while the sum is 55.

The spelling of 552355552981 in words is "five hundred fifty-two billion, three hundred fifty-five million, five hundred fifty-two thousand, nine hundred eighty-one".