52143320400 has 60 divisors (see below), whose sum is σ = 167032440192. Its totient is φ = 13904885120.

The previous prime is 52143320393. The next prime is 52143320407. The reversal of 52143320400 is 402334125.

It is an interprime number because it is at equal distance from previous prime (52143320393) and next prime (52143320407).

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52143320407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21725184 + ... + 21727583.

Almost surely, 2^52143320400 is an apocalyptic number.

52143320400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52143320400 is an abundant number, since it is smaller than the sum of its proper divisors (114889119792).

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

52143320400 is a wasteful number, since it uses less digits than its factorization.

52143320400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43452788 (or 43452777 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 52143320400 its reverse (402334125), we get a palindrome (52545654525).

The spelling of 52143320400 in words is "fifty-two billion, one hundred forty-three million, three hundred twenty thousand, four hundred".