52548557 has 2 divisors, whose sum is σ = 52548558. Its totient is φ = 52548556.

The previous prime is 52548553. The next prime is 52548563. The reversal of 52548557 is 75584525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32959081 + 19589476 = 5741^2 + 4426^2 .

It is a cyclic number.

It is not a de Polignac number, because 52548557 - 2² = 52548553 is a prime.

It is a super-2 number, since 2×52548557² = 5522701685564498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52548553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26274278 + 26274279.

It is an arithmetic number, because the mean of its divisors is an integer number (26274279).

Almost surely, 2^52548557 is an apocalyptic number.

It is an amenable number.

52548557 is a deficient number, since it is larger than the sum of its proper divisors (1).

52548557 is an equidigital number, since it uses as much as digits as its factorization.

52548557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 280000, while the sum is 41.

The square root of 52548557 is about 7249.0383500158. The cubic root of 52548557 is about 374.5590241626.

The spelling of 52548557 in words is "fifty-two million, five hundred forty-eight thousand, five hundred fifty-seven".