52720048 has 20 divisors (see below), whose sum is σ = 106586928. Its totient is φ = 25213760.

The previous prime is 52720039. The next prime is 52720049. The reversal of 52720048 is 84002725.

It is a super-2 number, since 2×52720048² = 5558806922244608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52719998 and 52720025.

It is not an unprimeable number, because it can be changed into a prime (52720049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71263 + ... + 71998.

Almost surely, 2^52720048 is an apocalyptic number.

It is an amenable number.

52720048 is an abundant number, since it is smaller than the sum of its proper divisors (53866880).

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

52720048 is a wasteful number, since it uses less digits than its factorization.

52720048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143292 (or 143286 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 52720048 is about 7260.8572496641. The cubic root of 52720048 is about 374.9660366278.

The spelling of 52720048 in words is "fifty-two million, seven hundred twenty thousand, forty-eight".