52545937 has 2 divisors, whose sum is σ = 52545938. Its totient is φ = 52545936.

The previous prime is 52545917. The next prime is 52545943. The reversal of 52545937 is 73954525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39325441 + 13220496 = 6271^2 + 3636^2 .

It is a cyclic number.

It is not a de Polignac number, because 52545937 - 2²³ = 44157329 is a prime.

It is a super-2 number, since 2×52545937² = 5522150990415938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52545937.

It is not a weakly prime, because it can be changed into another prime (52545907) 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 as a sum of consecutive naturals, namely, 26272968 + 26272969.

It is an arithmetic number, because the mean of its divisors is an integer number (26272969).

Almost surely, 2^52545937 is an apocalyptic number.

It is an amenable number.

52545937 is a deficient number, since it is larger than the sum of its proper divisors (1).

52545937 is an equidigital number, since it uses as much as digits as its factorization.

52545937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 40.

The square root of 52545937 is about 7248.8576341379. The cubic root of 52545937 is about 374.5527990570.

The spelling of 52545937 in words is "fifty-two million, five hundred forty-five thousand, nine hundred thirty-seven".