10530554 has 4 divisors (see below), whose sum is σ = 15795834. Its totient is φ = 5265276.

The previous prime is 10530551. The next prime is 10530557. The reversal of 10530554 is 45503501.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10530551) and next prime (10530557).

It can be written as a sum of positive squares in only one way, i.e., 10530025 + 529 = 3245^2 + 23^2 .

It is a super-4 number, since 4×10530554⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10530551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2632637 + ... + 2632640.

Almost surely, 2^10530554 is an apocalyptic number.

10530554 is a deficient number, since it is larger than the sum of its proper divisors (5265280).

10530554 is an equidigital number, since it uses as much as digits as its factorization.

10530554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5265279.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 10530554 is about 3245.0815089917. The cubic root of 10530554 is about 219.1881510325.

The spelling of 10530554 in words is "ten million, five hundred thirty thousand, five hundred fifty-four".