53153869 has 2 divisors, whose sum is σ = 53153870. Its totient is φ = 53153868.

The previous prime is 53153857. The next prime is 53153873. The reversal of 53153869 is 96835135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50552100 + 2601769 = 7110^2 + 1613^2 .

It is a cyclic number.

It is not a de Polignac number, because 53153869 - 2¹¹ = 53151821 is a prime.

It is a super-2 number, since 2×53153869² = 5650667579338322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53157869) 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, 26576934 + 26576935.

It is an arithmetic number, because the mean of its divisors is an integer number (26576935).

Almost surely, 2^53153869 is an apocalyptic number.

It is an amenable number.

53153869 is a deficient number, since it is larger than the sum of its proper divisors (1).

53153869 is an equidigital number, since it uses as much as digits as its factorization.

53153869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 40.

The square root of 53153869 is about 7290.6699966464. The cubic root of 53153869 is about 375.9917310880.

The spelling of 53153869 in words is "fifty-three million, one hundred fifty-three thousand, eight hundred sixty-nine".