10545553 has 4 divisors (see below), whose sum is σ = 10564848. Its totient is φ = 10526260.

The previous prime is 10545547. The next prime is 10545571. The reversal of 10545553 is 35554501.

10545553 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35554501 = 593 ⋅59957.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10545553 is a prime.

It is a super-2 number, since 2×10545553² = 222417376151618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10545503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8803 + ... + 9928.

It is an arithmetic number, because the mean of its divisors is an integer number (2641212).

Almost surely, 2^10545553 is an apocalyptic number.

It is an amenable number.

10545553 is a deficient number, since it is larger than the sum of its proper divisors (19295).

10545553 is an equidigital number, since it uses as much as digits as its factorization.

10545553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19294.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 10545553 is about 3247.3917225983. The cubic root of 10545553 is about 219.2921671945.

It can be divided in two parts, 10545 and 553, that multiplied together give a palindrome (5831385).

The spelling of 10545553 in words is "ten million, five hundred forty-five thousand, five hundred fifty-three".