53767680 has 80 divisors (see below), whose sum is σ = 171913104. Its totient is φ = 14336000.

The previous prime is 53767667. The next prime is 53767699. The reversal of 53767680 is 8676735.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4180 + ... + 11180.

Almost surely, 2^53767680 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 53767680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85956552).

53767680 is an abundant number, since it is smaller than the sum of its proper divisors (118145424).

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

53767680 is an equidigital number, since it uses as much as digits as its factorization.

53767680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027 (or 7011 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 53767680 is about 7332.6448161629. The cubic root of 53767680 is about 377.4334897371.

The spelling of 53767680 in words is "fifty-three million, seven hundred sixty-seven thousand, six hundred eighty".