52013144000 has 112 divisors (see below), whose sum is σ = 131807017056. Its totient is φ = 20321280000.

The previous prime is 52013143979. The next prime is 52013144021. The reversal of 52013144000 is 44131025.

It is an interprime number because it is at equal distance from previous prime (52013143979) and next prime (52013144021).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268400 + ... + 419600.

Almost surely, 2^52013144000 is an apocalyptic number.

52013144000 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 52013144000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65903508528).

52013144000 is an abundant number, since it is smaller than the sum of its proper divisors (79793873056).

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

52013144000 is a wasteful number, since it uses less digits than its factorization.

52013144000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151271 (or 151251 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 52013144000 its reverse (44131025), we get a palindrome (52057275025).

The spelling of 52013144000 in words is "fifty-two billion, thirteen million, one hundred forty-four thousand".