53149161 has 32 divisors (see below), whose sum is σ = 80099712. Its totient is φ = 31127040.

The previous prime is 53149139. The next prime is 53149177. The reversal of 53149161 is 16194135.

It is not a de Polignac number, because 53149161 - 2⁹ = 53148649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53149111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68371 + ... + 69143.

It is an arithmetic number, because the mean of its divisors is an integer number (2503116).

Almost surely, 2^53149161 is an apocalyptic number.

It is an amenable number.

53149161 is a deficient number, since it is larger than the sum of its proper divisors (26950551).

53149161 is a wasteful number, since it uses less digits than its factorization.

53149161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873.

The product of its digits is 3240, while the sum is 30.

The square root of 53149161 is about 7290.3471110778. The cubic root of 53149161 is about 375.9806298494.

The spelling of 53149161 in words is "fifty-three million, one hundred forty-nine thousand, one hundred sixty-one".