53015433544 has 32 divisors (see below), whose sum is σ = 104776776000. Its totient is φ = 25078721472.

The previous prime is 53015433503. The next prime is 53015433551. The reversal of 53015433544 is 44533451035.

It is an unprimeable number.

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, 121779 + ... + 347650.

It is an arithmetic number, because the mean of its divisors is an integer number (3274274250).

Almost surely, 2^53015433544 is an apocalyptic number.

It is an amenable number.

53015433544 is a deficient number, since it is larger than the sum of its proper divisors (51761342456).

53015433544 is a wasteful number, since it uses less digits than its factorization.

53015433544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470197 (or 470193 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 53015433544 its reverse (44533451035), we get a palindrome (97548884579).

The spelling of 53015433544 in words is "fifty-three billion, fifteen million, four hundred thirty-three thousand, five hundred forty-four".