53681160 has 96 divisors (see below), whose sum is σ = 174450240. Its totient is φ = 13208832.

The previous prime is 53681153. The next prime is 53681179. The reversal of 53681160 is 6118635.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18957 + ... + 21603.

It is an arithmetic number, because the mean of its divisors is an integer number (1817190).

Almost surely, 2^53681160 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 53681160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87225120).

53681160 is an abundant number, since it is smaller than the sum of its proper divisors (120769080).

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

53681160 is a wasteful number, since it uses less digits than its factorization.

53681160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687 (or 2670 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 53681160 is about 7326.7427960861. The cubic root of 53681160 is about 377.2309326307.

Adding to 53681160 its reverse (6118635), we get a palindrome (59799795).

The spelling of 53681160 in words is "fifty-three million, six hundred eighty-one thousand, one hundred sixty".