52782500 has 60 divisors (see below), whose sum is σ = 118349616. Its totient is φ = 20580000.

The previous prime is 52782481. The next prime is 52782511. The reversal of 52782500 is 528725.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 107255 + ... + 107745.

Almost surely, 2^52782500 is an apocalyptic number.

52782500 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 52782500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59174808).

52782500 is an abundant number, since it is smaller than the sum of its proper divisors (65567116).

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

52782500 is a wasteful number, since it uses less digits than its factorization.

52782500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 52782500 is about 7265.1565709212. The cubic root of 52782500 is about 375.1140393906.

The spelling of 52782500 in words is "fifty-two million, seven hundred eighty-two thousand, five hundred".