53627288217 has 4 divisors (see below), whose sum is σ = 71503050960. Its totient is φ = 35751525476.

The previous prime is 53627288101. The next prime is 53627288237. The reversal of 53627288217 is 71288272635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53627288217 - 2¹⁰ = 53627287193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53627288217.

It is not an unprimeable number, because it can be changed into a prime (53627288237) 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, 8937881367 + ... + 8937881372.

It is an arithmetic number, because the mean of its divisors is an integer number (17875762740).

Almost surely, 2^53627288217 is an apocalyptic number.

It is an amenable number.

53627288217 is a deficient number, since it is larger than the sum of its proper divisors (17875762743).

53627288217 is a wasteful number, since it uses less digits than its factorization.

53627288217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17875762742.

The product of its digits is 2257920, while the sum is 51.

The spelling of 53627288217 in words is "fifty-three billion, six hundred twenty-seven million, two hundred eighty-eight thousand, two hundred seventeen".