552777997 has 2 divisors, whose sum is σ = 552777998. Its totient is φ = 552777996.

The previous prime is 552777991. The next prime is 552778007. The reversal of 552777997 is 799777255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463928521 + 88849476 = 21539^2 + 9426^2 .

It is a cyclic number.

It is not a de Polignac number, because 552777997 - 2¹⁵ = 552745229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552777991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276388998 + 276388999.

It is an arithmetic number, because the mean of its divisors is an integer number (276388999).

Almost surely, 2^552777997 is an apocalyptic number.

It is an amenable number.

552777997 is a deficient number, since it is larger than the sum of its proper divisors (1).

552777997 is an equidigital number, since it uses as much as digits as its factorization.

552777997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9724050, while the sum is 58.

The square root of 552777997 is about 23511.2312948514. The cubic root of 552777997 is about 820.6983922220.

The spelling of 552777997 in words is "five hundred fifty-two million, seven hundred seventy-seven thousand, nine hundred ninety-seven".