52371140 has 24 divisors (see below), whose sum is σ = 110187672. Its totient is φ = 20908800.

The previous prime is 52371139. The next prime is 52371157. The reversal of 52371140 is 4117325.

It can be written as a sum of positive squares in 4 ways, for example, as 31449664 + 20921476 = 5608^2 + 4574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9842 + ... + 14198.

It is an arithmetic number, because the mean of its divisors is an integer number (4591153).

Almost surely, 2^52371140 is an apocalyptic number.

It is an amenable number.

52371140 is an abundant number, since it is smaller than the sum of its proper divisors (57816532).

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

52371140 is a wasteful number, since it uses less digits than its factorization.

52371140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967 (or 4965 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 52371140 is about 7236.7907251765. The cubic root of 52371140 is about 374.1370140560.

Adding to 52371140 its reverse (4117325), we get a palindrome (56488465).

The spelling of 52371140 in words is "fifty-two million, three hundred seventy-one thousand, one hundred forty".