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53919541 = 134147657
BaseRepresentation
bin1100110110101…
…1111100110101
310202110101201001
43031223330311
5102300411131
65203403301
71223210554
oct315537465
9122411631
1053919541
1128488605
1216083531
13b22b470
147237d9b
154b01261
hex336bf35

53919541 has 4 divisors (see below), whose sum is σ = 58067212. Its totient is φ = 49771872.

The previous prime is 53919527. The next prime is 53919553. The reversal of 53919541 is 14591935.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14591935 = 52918387.

It can be written as a sum of positive squares in 2 ways, for example, as 4498641 + 49420900 = 2121^2 + 7030^2 .

It is a cyclic number.

It is not a de Polignac number, because 53919541 - 27 = 53919413 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 53919541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53919241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2073816 + ... + 2073841.

It is an arithmetic number, because the mean of its divisors is an integer number (14516803).

Almost surely, 253919541 is an apocalyptic number.

It is an amenable number.

53919541 is a deficient number, since it is larger than the sum of its proper divisors (4147671).

53919541 is a wasteful number, since it uses less digits than its factorization.

53919541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147670.

The product of its digits is 24300, while the sum is 37.

The square root of 53919541 is about 7342.9926460538. The cubic root of 53919541 is about 377.7884957519.

The spelling of 53919541 in words is "fifty-three million, nine hundred nineteen thousand, five hundred forty-one".

Divisors: 1 13 4147657 53919541