52801920 has 192 divisors, whose sum is σ = 186170400. Its totient is φ = 13787136.

The previous prime is 52801907. The next prime is 52801921. The reversal of 52801920 is 2910825.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52801921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512589 + ... + 512691.

Almost surely, 2^52801920 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 52801920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93085200).

52801920 is an abundant number, since it is smaller than the sum of its proper divisors (133368480).

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

52801920 is a wasteful number, since it uses less digits than its factorization.

52801920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 52801920 is about 7266.4929642848. The cubic root of 52801920 is about 375.1600383575.

The spelling of 52801920 in words is "fifty-two million, eight hundred one thousand, nine hundred twenty".