53008140 has 48 divisors (see below), whose sum is σ = 153216000. Its totient is φ = 13679040.

The previous prime is 53008127. The next prime is 53008211. The reversal of 53008140 is 4180035.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12390 + ... + 16109.

It is an arithmetic number, because the mean of its divisors is an integer number (3192000).

Almost surely, 2^53008140 is an apocalyptic number.

It is an amenable number.

53008140 is an abundant number, since it is smaller than the sum of its proper divisors (100207860).

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

53008140 is a wasteful number, since it uses less digits than its factorization.

53008140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28542 (or 28540 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 53008140 is about 7280.6689253117. The cubic root of 53008140 is about 375.6478047308.

Adding to 53008140 its reverse (4180035), we get a palindrome (57188175).

The spelling of 53008140 in words is "fifty-three million, eight thousand, one hundred forty".