553053521 has 2 divisors, whose sum is σ = 553053522. Its totient is φ = 553053520.

The previous prime is 553053499. The next prime is 553053533. The reversal of 553053521 is 125350355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 374964496 + 178089025 = 19364^2 + 13345^2 .

It is a cyclic number.

It is not a de Polignac number, because 553053521 - 2²² = 548859217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (553050521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276526760 + 276526761.

It is an arithmetic number, because the mean of its divisors is an integer number (276526761).

Almost surely, 2^553053521 is an apocalyptic number.

It is an amenable number.

553053521 is a deficient number, since it is larger than the sum of its proper divisors (1).

553053521 is an equidigital number, since it uses as much as digits as its factorization.

553053521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 553053521 is about 23517.0899772910. The cubic root of 553053521 is about 820.8347245570.

The spelling of 553053521 in words is "five hundred fifty-three million, fifty-three thousand, five hundred twenty-one".