52575000 has 96 divisors (see below), whose sum is σ = 164520720. Its totient is φ = 14000000.

The previous prime is 52574971. The next prime is 52575001. The reversal of 52575000 is 57525.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52575001) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 74650 + ... + 75350.

Almost surely, 2^52575000 is an apocalyptic number.

52575000 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 52575000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82260360).

52575000 is an abundant number, since it is smaller than the sum of its proper divisors (111945720).

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

52575000 is an equidigital number, since it uses as much as digits as its factorization.

52575000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 52575000 is about 7250.8620177190. The cubic root of 52575000 is about 374.6218410058.

The spelling of 52575000 in words is "fifty-two million, five hundred seventy-five thousand".