53047272 has 16 divisors (see below), whose sum is σ = 132618240. Its totient is φ = 17682416.

The previous prime is 53047261. The next prime is 53047277. The reversal of 53047272 is 27274035.

53047272 is a modest number, since divided by 7272 gives 5304 as remainder.

It is not an unprimeable number, because it can be changed into a prime (53047277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1105128 + ... + 1105175.

It is an arithmetic number, because the mean of its divisors is an integer number (8288640).

Almost surely, 2^53047272 is an apocalyptic number.

It is an amenable number.

53047272 is an abundant number, since it is smaller than the sum of its proper divisors (79570968).

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

53047272 is a wasteful number, since it uses less digits than its factorization.

53047272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210312 (or 2210308 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 53047272 is about 7283.3558199500. The cubic root of 53047272 is about 375.7402196826.

The spelling of 53047272 in words is "fifty-three million, forty-seven thousand, two hundred seventy-two".