52775000 has 48 divisors (see below), whose sum is σ = 123742080. Its totient is φ = 21100000.

The previous prime is 52774979. The next prime is 52775069. The reversal of 52775000 is 57725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23945 + ... + 26055.

It is an arithmetic number, because the mean of its divisors is an integer number (2577960).

Almost surely, 2^52775000 is an apocalyptic number.

52775000 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 52775000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61871040).

52775000 is an abundant number, since it is smaller than the sum of its proper divisors (70967080).

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

52775000 is an equidigital number, since it uses as much as digits as its factorization.

52775000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 2118 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 26.

The square root of 52775000 is about 7264.6403902740. The cubic root of 52775000 is about 375.0962715789.

The spelling of 52775000 in words is "fifty-two million, seven hundred seventy-five thousand".