53012143400 has 96 divisors (see below), whose sum is σ = 129148430400. Its totient is φ = 20198323200.

The previous prime is 53012143367. The next prime is 53012143411. The reversal of 53012143400 is 434121035.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1084691 + ... + 1132509.

It is an arithmetic number, because the mean of its divisors is an integer number (1345296150).

Almost surely, 2^53012143400 is an apocalyptic number.

53012143400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53012143400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64574215200).

53012143400 is an abundant number, since it is smaller than the sum of its proper divisors (76136287000).

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

53012143400 is a wasteful number, since it uses less digits than its factorization.

53012143400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48099 (or 48090 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 53012143400 its reverse (434121035), we get a palindrome (53446264435).

The spelling of 53012143400 in words is "fifty-three billion, twelve million, one hundred forty-three thousand, four hundred".