553501061 has 2 divisors, whose sum is σ = 553501062. Its totient is φ = 553501060.

The previous prime is 553501037. The next prime is 553501073. The reversal of 553501061 is 160105355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 550840900 + 2660161 = 23470^2 + 1631^2 .

It is a cyclic number.

It is not a de Polignac number, because 553501061 - 2¹⁴ = 553484677 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 553501061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553501261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276750530 + 276750531.

It is an arithmetic number, because the mean of its divisors is an integer number (276750531).

Almost surely, 2^553501061 is an apocalyptic number.

It is an amenable number.

553501061 is a deficient number, since it is larger than the sum of its proper divisors (1).

553501061 is an equidigital number, since it uses as much as digits as its factorization.

553501061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 553501061 is about 23526.6032609895. The cubic root of 553501061 is about 821.0560758445.

The spelling of 553501061 in words is "five hundred fifty-three million, five hundred one thousand, sixty-one".