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53161377 = 317720459
BaseRepresentation
bin1100101011001…
…0110110100001
310201000212200220
43022302312201
5102102131002
65135233253
71213602303
oct312626641
9121025626
1053161377
112800aa25
1215978829
13b024349
1470bb973
154a017bc
hex32b2da1

53161377 has 4 divisors (see below), whose sum is σ = 70881840. Its totient is φ = 35440916.

The previous prime is 53161369. The next prime is 53161399. The reversal of 53161377 is 77316135.

53161377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 53161377 - 23 = 53161369 is a prime.

It is a super-2 number, since 2×531613772 = 5652264009072258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53161307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8860227 + ... + 8860232.

It is an arithmetic number, because the mean of its divisors is an integer number (17720460).

Almost surely, 253161377 is an apocalyptic number.

It is an amenable number.

53161377 is a deficient number, since it is larger than the sum of its proper divisors (17720463).

53161377 is a wasteful number, since it uses less digits than its factorization.

53161377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17720462.

The product of its digits is 13230, while the sum is 33.

The square root of 53161377 is about 7291.1848831311. The cubic root of 53161377 is about 376.0094332362.

The spelling of 53161377 in words is "fifty-three million, one hundred sixty-one thousand, three hundred seventy-seven".

Divisors: 1 3 17720459 53161377