553913993 has 2 divisors, whose sum is σ = 553913994. Its totient is φ = 553913992.

The previous prime is 553913959. The next prime is 553914019. The reversal of 553913993 is 399319355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 356567689 + 197346304 = 18883^2 + 14048^2 .

It is a cyclic number.

It is not a de Polignac number, because 553913993 - 2¹⁴ = 553897609 is a prime.

It is not a weakly prime, because it can be changed into another prime (553913093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276956996 + 276956997.

It is an arithmetic number, because the mean of its divisors is an integer number (276956997).

Almost surely, 2^553913993 is an apocalyptic number.

It is an amenable number.

553913993 is a deficient number, since it is larger than the sum of its proper divisors (1).

553913993 is an equidigital number, since it uses as much as digits as its factorization.

553913993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 492075, while the sum is 47.

The square root of 553913993 is about 23535.3774773212. The cubic root of 553913993 is about 821.2602043603.

The spelling of 553913993 in words is "five hundred fifty-three million, nine hundred thirteen thousand, nine hundred ninety-three".