53781180 has 24 divisors (see below), whose sum is σ = 150587472. Its totient is φ = 14341632.

The previous prime is 53781179. The next prime is 53781209. The reversal of 53781180 is 8118735.

53781180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 448117 + ... + 448236.

It is an arithmetic number, because the mean of its divisors is an integer number (6274478).

Almost surely, 2^53781180 is an apocalyptic number.

It is an amenable number.

53781180 is an abundant number, since it is smaller than the sum of its proper divisors (96806292).

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

53781180 is a wasteful number, since it uses less digits than its factorization.

53781180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896365 (or 896363 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 53781180 is about 7333.5652993616. The cubic root of 53781180 is about 377.4650757861.

The spelling of 53781180 in words is "fifty-three million, seven hundred eighty-one thousand, one hundred eighty".