53688180 has 96 divisors (see below), whose sum is σ = 185036544. Its totient is φ = 11326464.

The previous prime is 53688179. The next prime is 53688181. The reversal of 53688180 is 8188635.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53688179) and next prime (53688181).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53688181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544 + ... + 10376.

It is an arithmetic number, because the mean of its divisors is an integer number (1927464).

Almost surely, 2^53688180 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 53688180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92518272).

53688180 is an abundant number, since it is smaller than the sum of its proper divisors (131348364).

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

53688180 is a wasteful number, since it uses less digits than its factorization.

53688180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9865 (or 9863 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 53688180 is about 7327.2218473307. The cubic root of 53688180 is about 377.2473756790.

The spelling of 53688180 in words is "fifty-three million, six hundred eighty-eight thousand, one hundred eighty".