52802720 has 24 divisors (see below), whose sum is σ = 124746804. Its totient is φ = 21121024.

The previous prime is 52802719. The next prime is 52802747. The reversal of 52802720 is 2720825.

It can be written as a sum of positive squares in 2 ways, for example, as 52475536 + 327184 = 7244^2 + 572^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52802720.

It is an unprimeable number.

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, 164849 + ... + 165168.

Almost surely, 2^52802720 is an apocalyptic number.

It is an amenable number.

52802720 is an abundant number, since it is smaller than the sum of its proper divisors (71944084).

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

52802720 is a wasteful number, since it uses less digits than its factorization.

52802720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330032 (or 330024 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 52802720 is about 7266.5480112637. The cubic root of 52802720 is about 375.1619330268.

It can be divided in two parts, 5280 and 2720, that added together give a cube (8000 = 20³).

The spelling of 52802720 in words is "fifty-two million, eight hundred two thousand, seven hundred twenty".