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53016155 = 510603231
BaseRepresentation
bin1100101000111…
…1011001011011
310200202111111022
43022033121123
5102033004110
65132153055
71212426023
oct312173133
9120674438
1053016155
1127a20905
121590878b
13aca320a
147080a83
1549c3755
hex328f65b

53016155 has 4 divisors (see below), whose sum is σ = 63619392. Its totient is φ = 42412920.

The previous prime is 53016151. The next prime is 53016163. The reversal of 53016155 is 55161035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55161035 = 511032207.

It is not a de Polignac number, because 53016155 - 22 = 53016151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53016151) 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, 5301611 + ... + 5301620.

It is an arithmetic number, because the mean of its divisors is an integer number (15904848).

Almost surely, 253016155 is an apocalyptic number.

53016155 is a deficient number, since it is larger than the sum of its proper divisors (10603237).

53016155 is a wasteful number, since it uses less digits than its factorization.

53016155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10603236.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 53016155 is about 7281.2193346994. The cubic root of 53016155 is about 375.6667368258. Note that the first 3 decimals are identical.

The spelling of 53016155 in words is "fifty-three million, sixteen thousand, one hundred fifty-five".

Divisors: 1 5 10603231 53016155