52143476 has 48 divisors (see below), whose sum is σ = 115261440. Its totient is φ = 20049120.

The previous prime is 52143473. The next prime is 52143499. The reversal of 52143476 is 67434125.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52143473) 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, 23261 + ... + 25403.

It is an arithmetic number, because the mean of its divisors is an integer number (2401280).

Almost surely, 2^52143476 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 52143476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57630720).

52143476 is an abundant number, since it is smaller than the sum of its proper divisors (63117964).

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

52143476 is a wasteful number, since it uses less digits than its factorization.

52143476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244 (or 2242 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 52143476 is about 7221.0439688455. The cubic root of 52143476 is about 373.5940861892.

The spelling of 52143476 in words is "fifty-two million, one hundred forty-three thousand, four hundred seventy-six".