53545069 has 2 divisors, whose sum is σ = 53545070. Its totient is φ = 53545068.

The previous prime is 53545039. The next prime is 53545099. The reversal of 53545069 is 96054535.

It is a balanced prime because it is at equal distance from previous prime (53545039) and next prime (53545099).

It can be written as a sum of positive squares in only one way, i.e., 36156169 + 17388900 = 6013^2 + 4170^2 .

It is a cyclic number.

It is not a de Polignac number, because 53545069 - 2¹³ = 53536877 is a prime.

It is a super-2 number, since 2×53545069² = 5734148828429522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53545039) 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, 26772534 + 26772535.

It is an arithmetic number, because the mean of its divisors is an integer number (26772535).

Almost surely, 2^53545069 is an apocalyptic number.

It is an amenable number.

53545069 is a deficient number, since it is larger than the sum of its proper divisors (1).

53545069 is an equidigital number, since it uses as much as digits as its factorization.

53545069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 53545069 is about 7317.4496240152. The cubic root of 53545069 is about 376.9118810342.

The spelling of 53545069 in words is "fifty-three million, five hundred forty-five thousand, sixty-nine".