52471040 has 36 divisors (see below), whose sum is σ = 125687604. Its totient is φ = 20987904.

The previous prime is 52471039. The next prime is 52471057. The reversal of 52471040 is 4017425.

It can be written as a sum of positive squares in 2 ways, for example, as 12730624 + 39740416 = 3568^2 + 6304^2 .

It is a super-3 number, since 3×52471040³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52470997 and 52471015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19217 + ... + 21776.

Almost surely, 2^52471040 is an apocalyptic number.

It is an amenable number.

52471040 is an abundant number, since it is smaller than the sum of its proper divisors (73216564).

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

52471040 is an equidigital number, since it uses as much as digits as its factorization.

52471040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41014 (or 41000 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 52471040 is about 7243.6896675658. The cubic root of 52471040 is about 374.3747566198.

Adding to 52471040 its reverse (4017425), we get a palindrome (56488465).

The spelling of 52471040 in words is "fifty-two million, four hundred seventy-one thousand, forty".