53143544302504 has 32 divisors (see below), whose sum is σ = 102010876513920. Its totient is φ = 25941242992896.

The previous prime is 53143544302417. The next prime is 53143544302507. The reversal of 53143544302504 is 40520344534135.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (53143544302507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36732657 + ... + 38152000.

It is an arithmetic number, because the mean of its divisors is an integer number (3187839891060).

Almost surely, 2^{53143544302504} is an apocalyptic number.

It is an amenable number.

53143544302504 is a deficient number, since it is larger than the sum of its proper divisors (48867332211416).

53143544302504 is a wasteful number, since it uses less digits than its factorization.

53143544302504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74886769 (or 74886765 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 53143544302504 its reverse (40520344534135), we get a palindrome (93663888836639).

The spelling of 53143544302504 in words is "fifty-three trillion, one hundred forty-three billion, five hundred forty-four million, three hundred two thousand, five hundred four".