52215053630471 has 4 divisors (see below), whose sum is σ = 52721995898832. Its totient is φ = 51708111362112.

The previous prime is 52215053630461. The next prime is 52215053630477. The reversal of 52215053630471 is 17403635051225.

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

It is a cyclic number.

It is not a de Polignac number, because 52215053630471 - 2¹⁸ = 52215053368327 is a prime.

It is a super-3 number, since 3×52215053630471³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52215053630477) 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, 253471134026 + ... + 253471134231.

It is an arithmetic number, because the mean of its divisors is an integer number (13180498974708).

Almost surely, 2^{52215053630471} is an apocalyptic number.

52215053630471 is a deficient number, since it is larger than the sum of its proper divisors (506942268361).

52215053630471 is a wasteful number, since it uses less digits than its factorization.

52215053630471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506942268360.

The product of its (nonzero) digits is 756000, while the sum is 44.

Adding to 52215053630471 its reverse (17403635051225), we get a palindrome (69618688681696).

The spelling of 52215053630471 in words is "fifty-two trillion, two hundred fifteen billion, fifty-three million, six hundred thirty thousand, four hundred seventy-one".