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53380523 = 77625789
BaseRepresentation
bin1100101110100…
…0010110101011
310201110000022102
43023220112223
5102131134043
65144044015
71215504230
oct313502653
9121400272
1053380523
112814a639
1215a6360b
13b0a0011
147137787
154a466b8
hex32e85ab

53380523 has 4 divisors (see below), whose sum is σ = 61006320. Its totient is φ = 45754728.

The previous prime is 53380507. The next prime is 53380531. The reversal of 53380523 is 32508335.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53380523 - 24 = 53380507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53380553) 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, 3812888 + ... + 3812901.

It is an arithmetic number, because the mean of its divisors is an integer number (15251580).

Almost surely, 253380523 is an apocalyptic number.

53380523 is a deficient number, since it is larger than the sum of its proper divisors (7625797).

53380523 is an equidigital number, since it uses as much as digits as its factorization.

53380523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7625796.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 53380523 is about 7306.1975746622. The cubic root of 53380523 is about 376.5253967667.

Adding to 53380523 its reverse (32508335), we get a palindrome (85888858).

The spelling of 53380523 in words is "fifty-three million, three hundred eighty thousand, five hundred twenty-three".

Divisors: 1 7 7625789 53380523