53706880 has 64 divisors (see below), whose sum is σ = 132583680. Its totient is φ = 20782080.

The previous prime is 53706857. The next prime is 53706881. The reversal of 53706880 is 8860735.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53706881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18487 + ... + 21193.

It is an arithmetic number, because the mean of its divisors is an integer number (2071620).

Almost surely, 2^53706880 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 53706880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66291840).

53706880 is an abundant number, since it is smaller than the sum of its proper divisors (78876800).

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

53706880 is a wasteful number, since it uses less digits than its factorization.

53706880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2745 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 53706880 is about 7328.4977996858. The cubic root of 53706880 is about 377.2911699681.

The spelling of 53706880 in words is "fifty-three million, seven hundred six thousand, eight hundred eighty".