52047136715401 has 4 divisors (see below), whose sum is σ = 52562454900804. Its totient is φ = 51531818530000.

The previous prime is 52047136715383. The next prime is 52047136715447. The reversal of 52047136715401 is 10451763174025.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44110385649225 + 7936751066176 = 6641565^2 + 2817224^2 .

It is a cyclic number.

It is not a de Polignac number, because 52047136715401 - 2¹⁷ = 52047136584329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52047116715401) 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, 257659092550 + ... + 257659092751.

It is an arithmetic number, because the mean of its divisors is an integer number (13140613725201).

Almost surely, 2^{52047136715401} is an apocalyptic number.

It is an amenable number.

52047136715401 is a deficient number, since it is larger than the sum of its proper divisors (515318185403).

52047136715401 is a wasteful number, since it uses less digits than its factorization.

52047136715401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515318185402.

The product of its (nonzero) digits is 705600, while the sum is 46.

Adding to 52047136715401 its reverse (10451763174025), we get a palindrome (62498899889426).

The spelling of 52047136715401 in words is "fifty-two trillion, forty-seven billion, one hundred thirty-six million, seven hundred fifteen thousand, four hundred one".