53013321534 has 16 divisors (see below), whose sum is σ = 106388512272. Its totient is φ = 17610795648.

The previous prime is 53013321527. The next prime is 53013321593. The reversal of 53013321534 is 43512331035.

It is a super-2 number, since 2×53013321534² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 15075979 + ... + 15079494.

It is an arithmetic number, because the mean of its divisors is an integer number (6649282017).

Almost surely, 2^53013321534 is an apocalyptic number.

53013321534 is an abundant number, since it is smaller than the sum of its proper divisors (53375190738).

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

53013321534 is a wasteful number, since it uses less digits than its factorization.

53013321534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30155771.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 53013321534 its reverse (43512331035), we get a palindrome (96525652569).

The spelling of 53013321534 in words is "fifty-three billion, thirteen million, three hundred twenty-one thousand, five hundred thirty-four".