53311145020 has 48 divisors (see below), whose sum is σ = 127961261568. Its totient is φ = 18276033600.

The previous prime is 53311144919. The next prime is 53311145023. The reversal of 53311145020 is 2054111335.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53311145023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1712595 + ... + 1743445.

It is an arithmetic number, because the mean of its divisors is an integer number (2665859616).

Almost surely, 2^53311145020 is an apocalyptic number.

It is an amenable number.

53311145020 is an abundant number, since it is smaller than the sum of its proper divisors (74650116548).

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

53311145020 is a wasteful number, since it uses less digits than its factorization.

53311145020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43210 (or 43208 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 53311145020 its reverse (2054111335), we get a palindrome (55365256355).

The spelling of 53311145020 in words is "fifty-three billion, three hundred eleven million, one hundred forty-five thousand, twenty".