53154415717 has 4 divisors (see below), whose sum is σ = 57243216940. Its totient is φ = 49065614496.

The previous prime is 53154415709. The next prime is 53154415733. The reversal of 53154415717 is 71751445135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71751445135 = 5 ⋅14350289027.

It can be written as a sum of positive squares in 2 ways, for example, as 5385504996 + 47768910721 = 73386^2 + 218561^2 .

It is a cyclic number.

It is not a de Polignac number, because 53154415717 - 2³ = 53154415709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53154415757) 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, 2044400592 + ... + 2044400617.

It is an arithmetic number, because the mean of its divisors is an integer number (14310804235).

Almost surely, 2^53154415717 is an apocalyptic number.

It is an amenable number.

53154415717 is a deficient number, since it is larger than the sum of its proper divisors (4088801223).

53154415717 is a wasteful number, since it uses less digits than its factorization.

53154415717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088801222.

The product of its digits is 294000, while the sum is 43.

The spelling of 53154415717 in words is "fifty-three billion, one hundred fifty-four million, four hundred fifteen thousand, seven hundred seventeen".