52771872 has 24 divisors (see below), whose sum is σ = 138526416. Its totient is φ = 17590592.

The previous prime is 52771861. The next prime is 52771877. The reversal of 52771872 is 27817725.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 52771872.

It is not an unprimeable number, because it can be changed into a prime (52771877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274758 + ... + 274949.

It is an arithmetic number, because the mean of its divisors is an integer number (5771934).

Almost surely, 2^52771872 is an apocalyptic number.

It is an amenable number.

52771872 is an abundant number, since it is smaller than the sum of its proper divisors (85754544).

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

52771872 is a wasteful number, since it uses less digits than its factorization.

52771872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549720 (or 549712 counting only the distinct ones).

The product of its digits is 54880, while the sum is 39.

The square root of 52771872 is about 7264.4250976936. The cubic root of 52771872 is about 375.0888607195.

The spelling of 52771872 in words is "fifty-two million, seven hundred seventy-one thousand, eight hundred seventy-two".