52123920 has 80 divisors (see below), whose sum is σ = 163322880. Its totient is φ = 13750272.

The previous prime is 52123919. The next prime is 52123937. The reversal of 52123920 is 2932125.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 22161 + ... + 24399.

It is an arithmetic number, because the mean of its divisors is an integer number (2041536).

Almost surely, 2^52123920 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 52123920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81661440).

52123920 is an abundant number, since it is smaller than the sum of its proper divisors (111198960).

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

52123920 is a wasteful number, since it uses less digits than its factorization.

52123920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 52123920 is about 7219.6897440264. The cubic root of 52123920 is about 373.5473758427.

The spelling of 52123920 in words is "fifty-two million, one hundred twenty-three thousand, nine hundred twenty".