53780272 has 80 divisors (see below), whose sum is σ = 131380480. Its totient is φ = 20756736.

The previous prime is 53780263. The next prime is 53780291. The reversal of 53780272 is 27208735.

53780272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 62179 + ... + 63037.

It is an arithmetic number, because the mean of its divisors is an integer number (1642256).

Almost surely, 2^53780272 is an apocalyptic number.

53780272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53780272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65690240).

53780272 is an abundant number, since it is smaller than the sum of its proper divisors (77600208).

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

53780272 is a wasteful number, since it uses less digits than its factorization.

53780272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 53780272 is about 7333.5033919676. The cubic root of 53780272 is about 377.4629514977.

The spelling of 53780272 in words is "fifty-three million, seven hundred eighty thousand, two hundred seventy-two".