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53201053 = 311716163
BaseRepresentation
bin1100101011110…
…0100010011101
310201002220010101
43022330202131
5102104413203
65140141101
71214126053
oct312744235
9121086111
1053201053
1128037814
1215997791
13b039419
1470cc1d3
154a0d41d
hex32bc89d

53201053 has 4 divisors (see below), whose sum is σ = 54917248. Its totient is φ = 51484860.

The previous prime is 53201021. The next prime is 53201063. The reversal of 53201053 is 35010235.

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 53201053 - 25 = 53201021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53201053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53201063) 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, 858051 + ... + 858112.

It is an arithmetic number, because the mean of its divisors is an integer number (13729312).

Almost surely, 253201053 is an apocalyptic number.

It is an amenable number.

53201053 is a deficient number, since it is larger than the sum of its proper divisors (1716195).

53201053 is a wasteful number, since it uses less digits than its factorization.

53201053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716194.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 53201053 is about 7293.9051954354. The cubic root of 53201053 is about 376.1029525120.

Adding to 53201053 its reverse (35010235), we get a palindrome (88211288).

The spelling of 53201053 in words is "fifty-three million, two hundred one thousand, fifty-three".

Divisors: 1 31 1716163 53201053