52243488 has 192 divisors, whose sum is σ = 174182400. Its totient is φ = 15079680.

The previous prime is 52243487. The next prime is 52243489. The reversal of 52243488 is 88434225.

It is an interprime number because it is at equal distance from previous prime (52243487) and next prime (52243489).

It is a super-2 number, since 2×52243488² = 5458764076812288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (52243481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218473 + ... + 218711.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^52243488 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 52243488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87091200).

52243488 is an abundant number, since it is smaller than the sum of its proper divisors (121938912).

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

52243488 is a wasteful number, since it uses less digits than its factorization.

52243488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 278 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 52243488 is about 7227.9656889058. The cubic root of 52243488 is about 373.8327867379.

The spelling of 52243488 in words is "fifty-two million, two hundred forty-three thousand, four hundred eighty-eight".