6550025453 has 4 divisors (see below), whose sum is σ = 6574375260. Its totient is φ = 6525675648.

The previous prime is 6550025429. The next prime is 6550025467. The reversal of 6550025453 is 3545200556.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2574344644 + 3975680809 = 50738^2 + 63053^2 .

It is a cyclic number.

It is not a de Polignac number, because 6550025453 - 2¹⁶ = 6549959917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550025413) 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, 12174500 + ... + 12175037.

It is an arithmetic number, because the mean of its divisors is an integer number (1643593815).

Almost surely, 2^6550025453 is an apocalyptic number.

It is an amenable number.

6550025453 is a deficient number, since it is larger than the sum of its proper divisors (24349807).

6550025453 is a wasteful number, since it uses less digits than its factorization.

6550025453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24349806.

The product of its (nonzero) digits is 90000, while the sum is 35.

The square root of 6550025453 is about 80932.2275301996. The cubic root of 6550025453 is about 1871.0310549398.

The spelling of 6550025453 in words is "six billion, five hundred fifty million, twenty-five thousand, four hundred fifty-three".