52530057 has 6 divisors (see below), whose sum is σ = 75876762. Its totient is φ = 35020032.

The previous prime is 52530053. The next prime is 52530073. The reversal of 52530057 is 75003525.

It can be written as a sum of positive squares in only one way, i.e., 51538041 + 992016 = 7179^2 + 996^2 .

It is not a de Polignac number, because 52530057 - 2² = 52530053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52530057.

It is not an unprimeable number, because it can be changed into a prime (52530053) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2918328 + ... + 2918345.

It is an arithmetic number, because the mean of its divisors is an integer number (12646127).

Almost surely, 2^52530057 is an apocalyptic number.

It is an amenable number.

52530057 is a deficient number, since it is larger than the sum of its proper divisors (23346705).

52530057 is a wasteful number, since it uses less digits than its factorization.

52530057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836679 (or 5836676 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 52530057 is about 7247.7622063641. The cubic root of 52530057 is about 374.5150638354.

The spelling of 52530057 in words is "fifty-two million, five hundred thirty thousand, fifty-seven".