53161929 has 6 divisors (see below), whose sum is σ = 76789466. Its totient is φ = 35441280.

The previous prime is 53161921. The next prime is 53161937. The reversal of 53161929 is 92916135.

53161929 is a `hidden beast` number, since 5 + 31 + 619 + 2 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (53161921) and next prime (53161937).

It can be written as a sum of positive squares in only one way, i.e., 50765625 + 2396304 = 7125^2 + 1548^2 .

It is not a de Polignac number, because 53161929 - 2³ = 53161921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53161893 and 53161902.

It is not an unprimeable number, because it can be changed into a prime (53161921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2953432 + ... + 2953449.

Almost surely, 2^53161929 is an apocalyptic number.

It is an amenable number.

53161929 is a deficient number, since it is larger than the sum of its proper divisors (23627537).

53161929 is a wasteful number, since it uses less digits than its factorization.

53161929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906887 (or 5906884 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 53161929 is about 7291.2227369626. Note that the first 3 decimals coincide. The cubic root of 53161929 is about 376.0107346603.

The spelling of 53161929 in words is "fifty-three million, one hundred sixty-one thousand, nine hundred twenty-nine".