53531413536 has 48 divisors (see below), whose sum is σ = 140737310784. Its totient is φ = 17816204544.

The previous prime is 53531413513. The next prime is 53531413601. The reversal of 53531413536 is 63531413535.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×53531413536² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53531413494 and 53531413503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368815 + ... + 493038.

It is an arithmetic number, because the mean of its divisors is an integer number (2932027308).

Almost surely, 2^53531413536 is an apocalyptic number.

It is an amenable number.

53531413536 is an abundant number, since it is smaller than the sum of its proper divisors (87205897248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53531413536 is a wasteful number, since it uses less digits than its factorization.

53531413536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862513 (or 862505 counting only the distinct ones).

The product of its digits is 243000, while the sum is 39.

Subtracting 53531413536 from its reverse (63531413535), we obtain a palindrome (9999999999).

The spelling of 53531413536 in words is "fifty-three billion, five hundred thirty-one million, four hundred thirteen thousand, five hundred thirty-six".