52245000 has 240 divisors, whose sum is σ = 187627440. Its totient is φ = 13608000.

The previous prime is 52244993. The next prime is 52245001. The reversal of 52245000 is 54225.

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 (52245001) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1214979 + ... + 1215021.

It is an arithmetic number, because the mean of its divisors is an integer number (781781).

Almost surely, 2^52245000 is an apocalyptic number.

52245000 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 52245000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93813720).

52245000 is an abundant number, since it is smaller than the sum of its proper divisors (135382440).

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

52245000 is an equidigital number, since it uses as much as digits as its factorization.

52245000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 52245000 is about 7228.0702818941. The cubic root of 52245000 is about 373.8363931186.

Adding to 52245000 its reverse (54225), we get a palindrome (52299225).

The spelling of 52245000 in words is "fifty-two million, two hundred forty-five thousand".