52463140 has 12 divisors (see below), whose sum is σ = 110172636. Its totient is φ = 20985248.

The previous prime is 52463119. The next prime is 52463141. The reversal of 52463140 is 4136425.

It can be written as a sum of positive squares in 2 ways, for example, as 8054244 + 44408896 = 2838^2 + 6664^2 .

It is not an unprimeable number, because it can be changed into a prime (52463141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311559 + ... + 1311598.

It is an arithmetic number, because the mean of its divisors is an integer number (9181053).

Almost surely, 2^52463140 is an apocalyptic number.

It is an amenable number.

52463140 is an abundant number, since it is smaller than the sum of its proper divisors (57709496).

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

52463140 is a wasteful number, since it uses less digits than its factorization.

52463140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623166 (or 2623164 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 52463140 is about 7243.1443448270. The cubic root of 52463140 is about 374.3559671503.

Adding to 52463140 its reverse (4136425), we get a palindrome (56599565).

The spelling of 52463140 in words is "fifty-two million, four hundred sixty-three thousand, one hundred forty".