10553551 has 2 divisors, whose sum is σ = 10553552. Its totient is φ = 10553550.

The previous prime is 10553513. The next prime is 10553561. The reversal of 10553551 is 15535501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10553551 - 2¹⁹ = 10029263 is a prime.

It is a super-2 number, since 2×10553551² = 222754877419202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10553561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5276775 + 5276776.

It is an arithmetic number, because the mean of its divisors is an integer number (5276776).

Almost surely, 2^10553551 is an apocalyptic number.

10553551 is a deficient number, since it is larger than the sum of its proper divisors (1).

10553551 is an equidigital number, since it uses as much as digits as its factorization.

10553551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 10553551 is about 3248.6229390312. The cubic root of 10553551 is about 219.3475919958.

The spelling of 10553551 in words is "ten million, five hundred fifty-three thousand, five hundred fifty-one".