52891872 has 48 divisors (see below), whose sum is σ = 151466112. Its totient is φ = 16027520.

The previous prime is 52891837. The next prime is 52891957. The reversal of 52891872 is 27819825.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23988 + ... + 26099.

It is an arithmetic number, because the mean of its divisors is an integer number (3155544).

Almost surely, 2^52891872 is an apocalyptic number.

It is an amenable number.

52891872 is an abundant number, since it is smaller than the sum of its proper divisors (98574240).

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

52891872 is a wasteful number, since it uses less digits than its factorization.

52891872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50111 (or 50103 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 52891872 is about 7272.6798362089. The cubic root of 52891872 is about 375.3729551778.

The spelling of 52891872 in words is "fifty-two million, eight hundred ninety-one thousand, eight hundred seventy-two".