52071415393 has 4 divisors (see below), whose sum is σ = 52113993408. Its totient is φ = 52028837380.

The previous prime is 52071415379. The next prime is 52071415399. The reversal of 52071415393 is 39351417025.

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 a de Polignac number, because none of the positive numbers 2^k-52071415393 is a prime.

It is a super-2 number, since 2×52071415393² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52071415399) 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, 21287173 + ... + 21289618.

It is an arithmetic number, because the mean of its divisors is an integer number (13028498352).

Almost surely, 2^52071415393 is an apocalyptic number.

It is an amenable number.

52071415393 is a deficient number, since it is larger than the sum of its proper divisors (42578015).

52071415393 is a wasteful number, since it uses less digits than its factorization.

52071415393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42578014.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 52071415393 in words is "fifty-two billion, seventy-one million, four hundred fifteen thousand, three hundred ninety-three".