52871224 has 128 divisors (see below), whose sum is σ = 131328000. Its totient is φ = 19408896.

The previous prime is 52871219. The next prime is 52871237. The reversal of 52871224 is 42217825.

52871224 = T₁₆₇₂ + T₁₆₇₃ + ... + T₁₇₀₈.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669217 + ... + 669295.

It is an arithmetic number, because the mean of its divisors is an integer number (1026000).

Almost surely, 2^52871224 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 52871224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65664000).

52871224 is an abundant number, since it is smaller than the sum of its proper divisors (78456776).

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

52871224 is a wasteful number, since it uses less digits than its factorization.

52871224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 161 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 52871224 is about 7271.2601383804. The cubic root of 52871224 is about 375.3241026208.

The spelling of 52871224 in words is "fifty-two million, eight hundred seventy-one thousand, two hundred twenty-four".