53053140 has 48 divisors (see below), whose sum is σ = 169771392. Its totient is φ = 12126336.

The previous prime is 53053129. The next prime is 53053163. The reversal of 53053140 is 4135035.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 62739 + ... + 63578.

It is an arithmetic number, because the mean of its divisors is an integer number (3536904).

Almost surely, 2^53053140 is an apocalyptic number.

It is an amenable number.

53053140 is an abundant number, since it is smaller than the sum of its proper divisors (116718252).

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

53053140 is a wasteful number, since it uses less digits than its factorization.

53053140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126336 (or 126334 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53053140 is about 7283.7586450953. The cubic root of 53053140 is about 375.7540737555.

Adding to 53053140 its reverse (4135035), we get a palindrome (57188175).

The spelling of 53053140 in words is "fifty-three million, fifty-three thousand, one hundred forty".