52213245053513 has 8 divisors (see below), whose sum is σ = 56633017591080. Its totient is φ = 47943295313920.

The previous prime is 52213245053503. The next prime is 52213245053561. The reversal of 52213245053513 is 31535054231225.

It can be written as a sum of positive squares in 4 ways, for example, as 15790426796089 + 36422818257424 = 3973717^2 + 6035132^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52213245053513 - 2⁸ = 52213245053257 is a prime.

It is a super-3 number, since 3×52213245053513³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52213245053503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37455698768 + ... + 37455700161.

It is an arithmetic number, because the mean of its divisors is an integer number (7079127198885).

Almost surely, 2^{52213245053513} is an apocalyptic number.

It is an amenable number.

52213245053513 is a deficient number, since it is larger than the sum of its proper divisors (4419772537567).

52213245053513 is a wasteful number, since it uses less digits than its factorization.

52213245053513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74911398987.

The product of its (nonzero) digits is 540000, while the sum is 41.

Adding to 52213245053513 its reverse (31535054231225), we get a palindrome (83748299284738).

The spelling of 52213245053513 in words is "fifty-two trillion, two hundred thirteen billion, two hundred forty-five million, fifty-three thousand, five hundred thirteen".