10553430551 has 4 divisors (see below), whose sum is σ = 10578498504. Its totient is φ = 10528362600.

The previous prime is 10553430539. The next prime is 10553430553. The reversal of 10553430551 is 15503435501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10553430551 is a prime.

It is a super-2 number, since 2×10553430551² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10553430553) 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, 12533345 + ... + 12534186.

It is an arithmetic number, because the mean of its divisors is an integer number (2644624626).

Almost surely, 2^10553430551 is an apocalyptic number.

10553430551 is a deficient number, since it is larger than the sum of its proper divisors (25067953).

10553430551 is an equidigital number, since it uses as much as digits as its factorization.

10553430551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25067952.

The product of its (nonzero) digits is 22500, while the sum is 32.

The spelling of 10553430551 in words is "ten billion, five hundred fifty-three million, four hundred thirty thousand, five hundred fifty-one".