53015405500 has 48 divisors (see below), whose sum is σ = 121879648800. Its totient is φ = 20090044800.

The previous prime is 53015405491. The next prime is 53015405543. The reversal of 53015405500 is 550451035.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2780785 + ... + 2799784.

It is an arithmetic number, because the mean of its divisors is an integer number (2539159350).

Almost surely, 2^53015405500 is an apocalyptic number.

53015405500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53015405500 is an abundant number, since it is smaller than the sum of its proper divisors (68864243300).

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

53015405500 is a wasteful number, since it uses less digits than its factorization.

53015405500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580607 (or 5580595 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

Adding to 53015405500 its reverse (550451035), we get a palindrome (53565856535).

The spelling of 53015405500 in words is "fifty-three billion, fifteen million, four hundred five thousand, five hundred".