53760140 has 24 divisors (see below), whose sum is σ = 129024672. Its totient is φ = 18432000.

The previous prime is 53760127. The next prime is 53760163. The reversal of 53760140 is 4106735.

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, 191861 + ... + 192140.

It is an arithmetic number, because the mean of its divisors is an integer number (5376028).

Almost surely, 2^53760140 is an apocalyptic number.

It is an amenable number.

53760140 is an abundant number, since it is smaller than the sum of its proper divisors (75264532).

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

53760140 is a wasteful number, since it uses less digits than its factorization.

53760140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384017 (or 384015 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 53760140 is about 7332.1306589558. The cubic root of 53760140 is about 377.4158460427.

Adding to 53760140 its reverse (4106735), we get a palindrome (57866875).

The spelling of 53760140 in words is "fifty-three million, seven hundred sixty thousand, one hundred forty".