553048681 has 2 divisors, whose sum is σ = 553048682. Its totient is φ = 553048680.

The previous prime is 553048633. The next prime is 553048703. The reversal of 553048681 is 186840355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425019456 + 128029225 = 20616^2 + 11315^2 .

It is a cyclic number.

It is not a de Polignac number, because 553048681 - 2¹¹ = 553046633 is a prime.

It is a super-2 number, since 2×553048681² = 611725687111679522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (553048621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276524340 + 276524341.

It is an arithmetic number, because the mean of its divisors is an integer number (276524341).

Almost surely, 2^553048681 is an apocalyptic number.

It is an amenable number.

553048681 is a deficient number, since it is larger than the sum of its proper divisors (1).

553048681 is an equidigital number, since it uses as much as digits as its factorization.

553048681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 553048681 is about 23516.9870731776. The cubic root of 553048681 is about 820.8323300620.

The spelling of 553048681 in words is "five hundred fifty-three million, forty-eight thousand, six hundred eighty-one".