2553172547 has 4 divisors (see below), whose sum is σ = 2553298440. Its totient is φ = 2553046656.

The previous prime is 2553172487. The next prime is 2553172553. The reversal of 2553172547 is 7452713552.

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

It is a cyclic number.

It is not a de Polignac number, because 2553172547 - 2²⁴ = 2536395331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553172597) 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 in 3 ways as a sum of consecutive naturals, for example, 24833 + ... + 75650.

It is an arithmetic number, because the mean of its divisors is an integer number (638324610).

Almost surely, 2^2553172547 is an apocalyptic number.

2553172547 is a deficient number, since it is larger than the sum of its proper divisors (125893).

2553172547 is a wasteful number, since it uses less digits than its factorization.

2553172547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125892.

The product of its digits is 294000, while the sum is 41.

The square root of 2553172547 is about 50528.9278235745. The cubic root of 2553172547 is about 1366.7635516549.

The spelling of 2553172547 in words is "two billion, five hundred fifty-three million, one hundred seventy-two thousand, five hundred forty-seven".