553767961 has 2 divisors, whose sum is σ = 553767962. Its totient is φ = 553767960.

The previous prime is 553767919. The next prime is 553768001. The reversal of 553767961 is 169767355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405780736 + 147987225 = 20144^2 + 12165^2 .

It is a cyclic number.

It is not a de Polignac number, because 553767961 - 2⁷ = 553767833 is a prime.

It is not a weakly prime, because it can be changed into another prime (553267961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276883980 + 276883981.

It is an arithmetic number, because the mean of its divisors is an integer number (276883981).

Almost surely, 2^553767961 is an apocalyptic number.

It is an amenable number.

553767961 is a deficient number, since it is larger than the sum of its proper divisors (1).

553767961 is an equidigital number, since it uses as much as digits as its factorization.

553767961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1190700, while the sum is 49.

The square root of 553767961 is about 23532.2748794076. The cubic root of 553767961 is about 821.1880266020.

The spelling of 553767961 in words is "five hundred fifty-three million, seven hundred sixty-seven thousand, nine hundred sixty-one".