10553681 has 2 divisors, whose sum is σ = 10553682. Its totient is φ = 10553680.

The previous prime is 10553663. The next prime is 10553693. The reversal of 10553681 is 18635501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6076225 + 4477456 = 2465^2 + 2116^2 .

It is a cyclic number.

It is not a de Polignac number, because 10553681 - 2¹⁸ = 10291537 is a prime.

It is a super-2 number, since 2×10553681² = 222760365299522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10553611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5276840 + 5276841.

It is an arithmetic number, because the mean of its divisors is an integer number (5276841).

Almost surely, 2^10553681 is an apocalyptic number.

It is an amenable number.

10553681 is a deficient number, since it is larger than the sum of its proper divisors (1).

10553681 is an equidigital number, since it uses as much as digits as its factorization.

10553681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 10553681 is about 3248.6429474474. The cubic root of 10553681 is about 219.3484926428.

The spelling of 10553681 in words is "ten million, five hundred fifty-three thousand, six hundred eighty-one".