53160140 has 48 divisors (see below), whose sum is σ = 122853024. Its totient is φ = 19321280.

The previous prime is 53160137. The next prime is 53160143. The reversal of 53160140 is 4106135.

It is an interprime number because it is at equal distance from previous prime (53160137) and next prime (53160143).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (53160143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25622 + ... + 27618.

It is an arithmetic number, because the mean of its divisors is an integer number (2559438).

Almost surely, 2^53160140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53160140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61426512).

53160140 is an abundant number, since it is smaller than the sum of its proper divisors (69692884).

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

53160140 is a wasteful number, since it uses less digits than its factorization.

53160140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 53160140 is about 7291.1000541756. The cubic root of 53160140 is about 376.0065167876.

Adding to 53160140 its reverse (4106135), we get a palindrome (57266275).

The spelling of 53160140 in words is "fifty-three million, one hundred sixty thousand, one hundred forty".