53004780 has 60 divisors (see below), whose sum is σ = 166283040. Its totient is φ = 14134176.

The previous prime is 53004773. The next prime is 53004859. The reversal of 53004780 is 8740035.

53004780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14740 + ... + 17979.

It is an arithmetic number, because the mean of its divisors is an integer number (2771384).

Almost surely, 2^53004780 is an apocalyptic number.

It is an amenable number.

53004780 is an abundant number, since it is smaller than the sum of its proper divisors (113278260).

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

53004780 is a wasteful number, since it uses less digits than its factorization.

53004780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32740 (or 32729 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 53004780 is about 7280.4381736266. The cubic root of 53004780 is about 375.6398675643.

The spelling of 53004780 in words is "fifty-three million, four thousand, seven hundred eighty".