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53719541 = 173159973
BaseRepresentation
bin1100110011101…
…1000111110101
310202002020100122
43030323013311
5102223011131
65155221325
71221415511
oct314730765
9122066318
1053719541
1128361317
1215ba7845
13b18b415
1471c5141
154ab1d7b
hex333b1f5

53719541 has 4 divisors (see below), whose sum is σ = 56879532. Its totient is φ = 50559552.

The previous prime is 53719537. The next prime is 53719573. The reversal of 53719541 is 14591735.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39627025 + 14092516 = 6295^2 + 3754^2 .

It is a cyclic number.

It is not a de Polignac number, because 53719541 - 22 = 53719537 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53719531) 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, 1579970 + ... + 1580003.

It is an arithmetic number, because the mean of its divisors is an integer number (14219883).

Almost surely, 253719541 is an apocalyptic number.

It is an amenable number.

53719541 is a deficient number, since it is larger than the sum of its proper divisors (3159991).

53719541 is a wasteful number, since it uses less digits than its factorization.

53719541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159990.

The product of its digits is 18900, while the sum is 35.

The square root of 53719541 is about 7329.3615683769. The cubic root of 53719541 is about 377.3208155069.

The spelling of 53719541 in words is "fifty-three million, seven hundred nineteen thousand, five hundred forty-one".

Divisors: 1 17 3159973 53719541