553233997 has 2 divisors, whose sum is σ = 553233998. Its totient is φ = 553233996.

The previous prime is 553233959. The next prime is 553234037. The reversal of 553233997 is 799332355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499343716 + 53890281 = 22346^2 + 7341^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553233997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553233797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276616998 + 276616999.

It is an arithmetic number, because the mean of its divisors is an integer number (276616999).

Almost surely, 2^553233997 is an apocalyptic number.

It is an amenable number.

553233997 is a deficient number, since it is larger than the sum of its proper divisors (1).

553233997 is an equidigital number, since it uses as much as digits as its factorization.

553233997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 765450, while the sum is 46.

The square root of 553233997 is about 23520.9267887131. The cubic root of 553233997 is about 820.9240015443.

The spelling of 553233997 in words is "five hundred fifty-three million, two hundred thirty-three thousand, nine hundred ninety-seven".