53516435312413 has 8 divisors (see below), whose sum is σ = 56338689157920. Its totient is φ = 50694741402480.

The previous prime is 53516435312401. The next prime is 53516435312491. The reversal of 53516435312413 is 31421353461535.

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 53516435312413 - 2⁹ = 53516435311901 is a prime.

It is a super-2 number, since 2×53516435312413² (a number of 28 digits) contains 22 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 (53516435312113) 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, 139787695 + ... + 140170012.

It is an arithmetic number, because the mean of its divisors is an integer number (7042336144740).

Almost surely, 2^{53516435312413} is an apocalyptic number.

It is an amenable number.

53516435312413 is a deficient number, since it is larger than the sum of its proper divisors (2822253845507).

53516435312413 is a wasteful number, since it uses less digits than its factorization.

53516435312413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279967787.

The product of its digits is 1944000, while the sum is 46.

Adding to 53516435312413 its reverse (31421353461535), we get a palindrome (84937788773948).

The spelling of 53516435312413 in words is "fifty-three trillion, five hundred sixteen billion, four hundred thirty-five million, three hundred twelve thousand, four hundred thirteen".