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53385319 = 134106563
BaseRepresentation
bin1100101110100…
…1100001100111
310201110020220001
43023221201213
5102131312234
65144122131
71215524221
oct313514147
9121406801
1053385319
11281531a9
1215a66347
13b0a2260
147139411
154a47d14
hex32e9867

53385319 has 4 divisors (see below), whose sum is σ = 57491896. Its totient is φ = 49278744.

The previous prime is 53385281. The next prime is 53385337. The reversal of 53385319 is 91358335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91358335 = 518271667.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53385319 is a prime.

It is a super-2 number, since 2×533853192 = 5699984569463522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53385419) 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, 2053269 + ... + 2053294.

It is an arithmetic number, because the mean of its divisors is an integer number (14372974).

Almost surely, 253385319 is an apocalyptic number.

53385319 is a deficient number, since it is larger than the sum of its proper divisors (4106577).

53385319 is a wasteful number, since it uses less digits than its factorization.

53385319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4106576.

The product of its digits is 48600, while the sum is 37.

The square root of 53385319 is about 7306.5257817926. The cubic root of 53385319 is about 376.5366728004.

The spelling of 53385319 in words is "fifty-three million, three hundred eighty-five thousand, three hundred nineteen".

Divisors: 1 13 4106563 53385319