53765680 has 40 divisors (see below), whose sum is σ = 125465184. Its totient is φ = 21427200.

The previous prime is 53765659. The next prime is 53765707. The reversal of 53765680 is 8656735.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23800 + ... + 25960.

Almost surely, 2^53765680 is an apocalyptic number.

It is an amenable number.

53765680 is an abundant number, since it is smaller than the sum of its proper divisors (71699504).

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

53765680 is a wasteful number, since it uses less digits than its factorization.

53765680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 53765680 is about 7332.5084384541. The cubic root of 53765680 is about 377.4288098728.

It can be divided in two parts, 53765 and 680, that added together give a palindrome (54445).

The spelling of 53765680 in words is "fifty-three million, seven hundred sixty-five thousand, six hundred eighty".