52215404053 has 4 divisors (see below), whose sum is σ = 52216064748. Its totient is φ = 52214743360.

The previous prime is 52215404041. The next prime is 52215404083. The reversal of 52215404053 is 35040451225.

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 34189119409 + 18026284644 = 184903^2 + 134262^2 .

It is a cyclic number.

It is not a de Polignac number, because 52215404053 - 2²⁹ = 51678533141 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 (52215404023) 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, 192676 + ... + 376237.

It is an arithmetic number, because the mean of its divisors is an integer number (13054016187).

Almost surely, 2^52215404053 is an apocalyptic number.

It is an amenable number.

52215404053 is a deficient number, since it is larger than the sum of its proper divisors (660695).

52215404053 is an equidigital number, since it uses as much as digits as its factorization.

52215404053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660694.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 52215404053 its reverse (35040451225), we get a palindrome (87255855278).

The spelling of 52215404053 in words is "fifty-two billion, two hundred fifteen million, four hundred four thousand, fifty-three".