52586240 has 72 divisors (see below), whose sum is σ = 143979360. Its totient is φ = 18026496.

The previous prime is 52586239. The next prime is 52586249. The reversal of 52586240 is 4268525.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 52586197 and 52586206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52586249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6026 + ... + 11894.

Almost surely, 2^52586240 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 52586240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71989680).

52586240 is an abundant number, since it is smaller than the sum of its proper divisors (91393120).

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

52586240 is an equidigital number, since it uses as much as digits as its factorization.

52586240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5897 (or 5883 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 52586240 is about 7251.6370565549. The cubic root of 52586240 is about 374.6485358827.

The spelling of 52586240 in words is "fifty-two million, five hundred eighty-six thousand, two hundred forty".