53081672 has 32 divisors (see below), whose sum is σ = 117419520. Its totient is φ = 22014720.

The previous prime is 53081671. The next prime is 53081681. The reversal of 53081672 is 27618035.

It is a happy number.

53081672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53081671) by changing a digit.

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, 13553 + ... + 17024.

It is an arithmetic number, because the mean of its divisors is an integer number (3669360).

Almost surely, 2^53081672 is an apocalyptic number.

It is an amenable number.

53081672 is an abundant number, since it is smaller than the sum of its proper divisors (64337848).

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

53081672 is a wasteful number, since it uses less digits than its factorization.

53081672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30621 (or 30617 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 53081672 is about 7285.7169859939. The cubic root of 53081672 is about 375.8214219142.

The spelling of 53081672 in words is "fifty-three million, eighty-one thousand, six hundred seventy-two".