52510340 has 24 divisors (see below), whose sum is σ = 112963032. Its totient is φ = 20491520.

The previous prime is 52510313. The next prime is 52510351. The reversal of 52510340 is 4301525.

It can be written as a sum of positive squares in 4 ways, for example, as 4096576 + 48413764 = 2024^2 + 6958^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31199 + ... + 32838.

It is an arithmetic number, because the mean of its divisors is an integer number (4706793).

Almost surely, 2^52510340 is an apocalyptic number.

It is an amenable number.

52510340 is an abundant number, since it is smaller than the sum of its proper divisors (60452692).

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

52510340 is a wasteful number, since it uses less digits than its factorization.

52510340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64087 (or 64085 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 52510340 is about 7246.4018657538. The cubic root of 52510340 is about 374.4682002680.

Adding to 52510340 its reverse (4301525), we get a palindrome (56811865).

The spelling of 52510340 in words is "fifty-two million, five hundred ten thousand, three hundred forty".