552777943901 has 2 divisors, whose sum is σ = 552777943902. Its totient is φ = 552777943900.

The previous prime is 552777943871. The next prime is 552777943909. The reversal of 552777943901 is 109349777255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 419870304676 + 132907639225 = 647974^2 + 364565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-552777943901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552777943909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276388971950 + 276388971951.

It is an arithmetic number, because the mean of its divisors is an integer number (276388971951).

Almost surely, 2^552777943901 is an apocalyptic number.

It is an amenable number.

552777943901 is a deficient number, since it is larger than the sum of its proper divisors (1).

552777943901 is an equidigital number, since it uses as much as digits as its factorization.

552777943901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16669800, while the sum is 59.

The spelling of 552777943901 in words is "five hundred fifty-two billion, seven hundred seventy-seven million, nine hundred forty-three thousand, nine hundred one".