52022052 has 18 divisors (see below), whose sum is σ = 131500278. Its totient is φ = 17340672.

The previous prime is 52022039. The next prime is 52022059. The reversal of 52022052 is 25022025.

It can be written as a sum of positive squares in only one way, i.e., 51494976 + 527076 = 7176^2 + 726^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (52022059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 722493 + ... + 722564.

It is an arithmetic number, because the mean of its divisors is an integer number (7305571).

Almost surely, 2^52022052 is an apocalyptic number.

It is an amenable number.

52022052 is an abundant number, since it is smaller than the sum of its proper divisors (79478226).

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

52022052 is a wasteful number, since it uses less digits than its factorization.

52022052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445067 (or 1445062 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 52022052 is about 7212.6314199465. The cubic root of 52022052 is about 373.3038706199.

Adding to 52022052 its reverse (25022025), we get a palindrome (77044077).

The spelling of 52022052 in words is "fifty-two million, twenty-two thousand, fifty-two".