52020560 has 40 divisors (see below), whose sum is σ = 123239880. Its totient is φ = 20413952.

The previous prime is 52020547. The next prime is 52020571. The reversal of 52020560 is 6502025.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22165264 + 29855296 = 4708^2 + 5464^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×52020560² = 5412277325427200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1895 + ... + 10374.

It is an arithmetic number, because the mean of its divisors is an integer number (3080997).

Almost surely, 2^52020560 is an apocalyptic number.

It is an amenable number.

52020560 is an abundant number, since it is smaller than the sum of its proper divisors (71219320).

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

52020560 is a wasteful number, since it uses less digits than its factorization.

52020560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12335 (or 12329 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 52020560 is about 7212.5279895471. The cubic root of 52020560 is about 373.3003017828.

Adding to 52020560 its reverse (6502025), we get a palindrome (58522585).

The spelling of 52020560 in words is "fifty-two million, twenty thousand, five hundred sixty".