53023549 has 2 divisors, whose sum is σ = 53023550. Its totient is φ = 53023548.

The previous prime is 53023541. The next prime is 53023573. The reversal of 53023549 is 94532035.

53023549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52461049 + 562500 = 7243^2 + 750^2 .

It is a cyclic number.

It is not a de Polignac number, because 53023549 - 2³ = 53023541 is a prime.

It is a super-2 number, since 2×53023549² = 5622993497110802, 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 53023549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53023541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26511774 + 26511775.

It is an arithmetic number, because the mean of its divisors is an integer number (26511775).

Almost surely, 2^53023549 is an apocalyptic number.

It is an amenable number.

53023549 is a deficient number, since it is larger than the sum of its proper divisors (1).

53023549 is an equidigital number, since it uses as much as digits as its factorization.

53023549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 53023549 is about 7281.7270616249. The cubic root of 53023549 is about 375.6842003752.

The spelling of 53023549 in words is "fifty-three million, twenty-three thousand, five hundred forty-nine".