52143504 has 80 divisors (see below), whose sum is σ = 154752000. Its totient is φ = 14820480.

The previous prime is 52143503. The next prime is 52143517. The reversal of 52143504 is 40534125.

52143504 = T₅₇ + T₅₈ + ... + T₆₇₈.

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

It is not an unprimeable number, because it can be changed into a prime (52143503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104247 + ... + 104745.

It is an arithmetic number, because the mean of its divisors is an integer number (1934400).

Almost surely, 2^52143504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52143504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77376000).

52143504 is an abundant number, since it is smaller than the sum of its proper divisors (102608496).

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

52143504 is a wasteful number, since it uses less digits than its factorization.

52143504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 52143504 is about 7221.0459076231. The cubic root of 52143504 is about 373.5941530600.

Adding to 52143504 its reverse (40534125), we get a palindrome (92677629).

The spelling of 52143504 in words is "fifty-two million, one hundred forty-three thousand, five hundred four".