53172227135 has 4 divisors (see below), whose sum is σ = 63806672568. Its totient is φ = 42537781704.

The previous prime is 53172227113. The next prime is 53172227137.

53172227135 is nontrivially palindromic in base 10.

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 53172227135 - 2⁸ = 53172226879 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 (53172227137) 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, 5317222709 + ... + 5317222718.

It is an arithmetic number, because the mean of its divisors is an integer number (15951668142).

Almost surely, 2^53172227135 is an apocalyptic number.

53172227135 is a deficient number, since it is larger than the sum of its proper divisors (10634445433).

53172227135 is a wasteful number, since it uses less digits than its factorization.

53172227135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10634445432.

The product of its digits is 88200, while the sum is 38.

The spelling of 53172227135 in words is "fifty-three billion, one hundred seventy-two million, two hundred twenty-seven thousand, one hundred thirty-five".