52887240 has 192 divisors, whose sum is σ = 203074560. Its totient is φ = 11681280.

The previous prime is 52887227. The next prime is 52887251. The reversal of 52887240 is 4278825.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 52887195 and 52887204.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77782 + ... + 78458.

It is an arithmetic number, because the mean of its divisors is an integer number (1057680).

Almost surely, 2^52887240 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 52887240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101537280).

52887240 is an abundant number, since it is smaller than the sum of its proper divisors (150187320).

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

52887240 is a wasteful number, since it uses less digits than its factorization.

52887240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 52887240 is about 7272.3613771594. The cubic root of 52887240 is about 375.3619971091.

The spelling of 52887240 in words is "fifty-two million, eight hundred eighty-seven thousand, two hundred forty".