52857672 has 64 divisors (see below), whose sum is σ = 154128000. Its totient is φ = 15099840.

The previous prime is 52857653. The next prime is 52857683. The reversal of 52857672 is 27675825.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5022 + ... + 11442.

It is an arithmetic number, because the mean of its divisors is an integer number (2408250).

Almost surely, 2^52857672 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 52857672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77064000).

52857672 is an abundant number, since it is smaller than the sum of its proper divisors (101270328).

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

52857672 is a wasteful number, since it uses less digits than its factorization.

52857672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451 (or 6433 counting only the distinct ones).

The product of its digits is 235200, while the sum is 42.

The square root of 52857672 is about 7270.3281906665. The cubic root of 52857672 is about 375.2920320759.

The spelling of 52857672 in words is "fifty-two million, eight hundred fifty-seven thousand, six hundred seventy-two".