52123500 has 336 divisors, whose sum is σ = 200517408. Its totient is φ = 11664000.

The previous prime is 52123481. The next prime is 52123501. The reversal of 52123500 is 532125.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (52123501) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 4009494 + ... + 4009506.

It is an arithmetic number, because the mean of its divisors is an integer number (596778).

Almost surely, 2^52123500 is an apocalyptic number.

52123500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52123500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100258704).

52123500 is an abundant number, since it is smaller than the sum of its proper divisors (148393908).

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

52123500 is a wasteful number, since it uses less digits than its factorization.

52123500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 52123500 is about 7219.6606568453. The cubic root of 52123500 is about 373.5463725265.

Adding to 52123500 its reverse (532125), we get a palindrome (52655625).

The spelling of 52123500 in words is "fifty-two million, one hundred twenty-three thousand, five hundred".