52056220 has 24 divisors (see below), whose sum is σ = 110325600. Its totient is φ = 20630592.

The previous prime is 52056217. The next prime is 52056233. The reversal of 52056220 is 2265025.

It is a junction number, because it is equal to n+sod(n) for n = 52056191 and 52056200.

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, 9760 + ... + 14119.

It is an arithmetic number, because the mean of its divisors is an integer number (4596900).

Almost surely, 2^52056220 is an apocalyptic number.

It is an amenable number.

52056220 is an abundant number, since it is smaller than the sum of its proper divisors (58269380).

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

52056220 is a wasteful number, since it uses less digits than its factorization.

52056220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23997 (or 23995 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52056220 is about 7214.9996534996. Note that the first 3 decimals coincide. The cubic root of 52056220 is about 373.3855811938.

The spelling of 52056220 in words is "fifty-two million, fifty-six thousand, two hundred twenty".