52052740 has 12 divisors (see below), whose sum is σ = 109310796. Its totient is φ = 20821088.

The previous prime is 52052717. The next prime is 52052773. The reversal of 52052740 is 4725025.

It can be written as a sum of positive squares in 2 ways, for example, as 27688644 + 24364096 = 5262^2 + 4936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301299 + ... + 1301338.

It is an arithmetic number, because the mean of its divisors is an integer number (9109233).

Almost surely, 2^52052740 is an apocalyptic number.

It is an amenable number.

52052740 is an abundant number, since it is smaller than the sum of its proper divisors (57258056).

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

52052740 is a wasteful number, since it uses less digits than its factorization.

52052740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602646 (or 2602644 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 52052740 is about 7214.7584852163. The cubic root of 52052740 is about 373.3772606334.

Adding to 52052740 its reverse (4725025), we get a palindrome (56777765).

The spelling of 52052740 in words is "fifty-two million, fifty-two thousand, seven hundred forty".