53011680 has 48 divisors (see below), whose sum is σ = 166988304. Its totient is φ = 14136320.

The previous prime is 53011669. The next prime is 53011687. The reversal of 53011680 is 8611035.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 53011680.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53011687) by changing a digit.

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, 54741 + ... + 55700.

It is an arithmetic number, because the mean of its divisors is an integer number (3478923).

Almost surely, 2^53011680 is an apocalyptic number.

It is an amenable number.

53011680 is an abundant number, since it is smaller than the sum of its proper divisors (113976624).

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

53011680 is a wasteful number, since it uses less digits than its factorization.

53011680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110459 (or 110451 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 53011680 is about 7280.9120307830. The cubic root of 53011680 is about 375.6561667398.

The spelling of 53011680 in words is "fifty-three million, eleven thousand, six hundred eighty".