52100557 has 2 divisors, whose sum is σ = 52100558. Its totient is φ = 52100556.

The previous prime is 52100549. The next prime is 52100567. The reversal of 52100557 is 75500125.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51753636 + 346921 = 7194^2 + 589^2 .

It is a cyclic number.

It is not a de Polignac number, because 52100557 - 2³ = 52100549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52100567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26050278 + 26050279.

It is an arithmetic number, because the mean of its divisors is an integer number (26050279).

Almost surely, 2^52100557 is an apocalyptic number.

It is an amenable number.

52100557 is a deficient number, since it is larger than the sum of its proper divisors (1).

52100557 is an equidigital number, since it uses as much as digits as its factorization.

52100557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 52100557 is about 7218.0715568634. The cubic root of 52100557 is about 373.4915569943.

The spelling of 52100557 in words is "fifty-two million, one hundred thousand, five hundred fifty-seven".