52471800 has 240 divisors, whose sum is σ = 189050400. Its totient is φ = 13478400.

The previous prime is 52471781. The next prime is 52471807. The reversal of 52471800 is 817425.

52471800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52471807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 664161 + ... + 664239.

It is an arithmetic number, because the mean of its divisors is an integer number (787710).

Almost surely, 2^52471800 is an apocalyptic number.

52471800 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 52471800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94525200).

52471800 is an abundant number, since it is smaller than the sum of its proper divisors (136578600).

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

52471800 is a wasteful number, since it uses less digits than its factorization.

52471800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 52471800 is about 7243.7421268292. The cubic root of 52471800 is about 374.3765641149.

The spelling of 52471800 in words is "fifty-two million, four hundred seventy-one thousand, eight hundred".