52265820 has 48 divisors (see below), whose sum is σ = 154955808. Its totient is φ = 13117440.

The previous prime is 52265819. The next prime is 52265839. The reversal of 52265820 is 2856225.

52265820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 24601 + ... + 26640.

It is an arithmetic number, because the mean of its divisors is an integer number (3228246).

Almost surely, 2^52265820 is an apocalyptic number.

It is an amenable number.

52265820 is an abundant number, since it is smaller than the sum of its proper divisors (102689988).

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

52265820 is a wasteful number, since it uses less digits than its factorization.

52265820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51270 (or 51268 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 52265820 is about 7229.5103568637. The cubic root of 52265820 is about 373.8860453344.

The spelling of 52265820 in words is "fifty-two million, two hundred sixty-five thousand, eight hundred twenty".