52550149 has 2 divisors, whose sum is σ = 52550150. Its totient is φ = 52550148.

The previous prime is 52550137. The next prime is 52550167. The reversal of 52550149 is 94105525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48902049 + 3648100 = 6993^2 + 1910^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52550149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52550149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52550119) 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, 26275074 + 26275075.

It is an arithmetic number, because the mean of its divisors is an integer number (26275075).

Almost surely, 2^52550149 is an apocalyptic number.

It is an amenable number.

52550149 is a deficient number, since it is larger than the sum of its proper divisors (1).

52550149 is an equidigital number, since it uses as much as digits as its factorization.

52550149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 52550149 is about 7249.1481568526. The cubic root of 52550149 is about 374.5628066448.

The spelling of 52550149 in words is "fifty-two million, five hundred fifty thousand, one hundred forty-nine".