52438320 has 160 divisors (see below), whose sum is σ = 197130240. Its totient is φ = 12706560.

The previous prime is 52438313. The next prime is 52438327. The reversal of 52438320 is 2383425.

It is an interprime number because it is at equal distance from previous prime (52438313) and next prime (52438327).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (52438327) 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, 22657 + ... + 24863.

It is an arithmetic number, because the mean of its divisors is an integer number (1232064).

Almost surely, 2^52438320 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 52438320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98565120).

52438320 is an abundant number, since it is smaller than the sum of its proper divisors (144691920).

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

52438320 is a wasteful number, since it uses less digits than its factorization.

52438320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240 (or 2228 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 52438320 is about 7241.4307978465. The cubic root of 52438320 is about 374.2969226431.

The spelling of 52438320 in words is "fifty-two million, four hundred thirty-eight thousand, three hundred twenty".