53349169 has 4 divisors (see below), whose sum is σ = 56157040. Its totient is φ = 50541300.

The previous prime is 53349151. The next prime is 53349193. The reversal of 53349169 is 96194335.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96194335 = 5 ⋅19238867.

It is a cyclic number.

It is not a de Polignac number, because 53349169 - 2⁵ = 53349137 is a prime.

It is a super-2 number, since 2×53349169² = 5692267665981122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53349119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1403907 + ... + 1403944.

It is an arithmetic number, because the mean of its divisors is an integer number (14039260).

Almost surely, 2^53349169 is an apocalyptic number.

It is an amenable number.

53349169 is a deficient number, since it is larger than the sum of its proper divisors (2807871).

53349169 is a wasteful number, since it uses less digits than its factorization.

53349169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807870.

The product of its digits is 87480, while the sum is 40.

The square root of 53349169 is about 7304.0515469156. The cubic root of 53349169 is about 376.4516626980.

The spelling of 53349169 in words is "fifty-three million, three hundred forty-nine thousand, one hundred sixty-nine".