6550153 has 4 divisors (see below), whose sum is σ = 6615108. Its totient is φ = 6485200.

The previous prime is 6550129. The next prime is 6550157. The reversal of 6550153 is 3510556.

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 5798464 + 751689 = 2408^2 + 867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6550153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550157) 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, 32326 + ... + 32527.

It is an arithmetic number, because the mean of its divisors is an integer number (1653777).

Almost surely, 2^6550153 is an apocalyptic number.

It is an amenable number.

6550153 is a deficient number, since it is larger than the sum of its proper divisors (64955).

6550153 is a wasteful number, since it uses less digits than its factorization.

6550153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64954.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 6550153 is about 2559.3266692628. The cubic root of 6550153 is about 187.1043199567.

The spelling of 6550153 in words is "six million, five hundred fifty thousand, one hundred fifty-three".