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53352403541 = 192808021239
BaseRepresentation
bin110001101100000011…
…010001001001010101
312002201012221220201222
4301230003101021111
51333231203403131
640302035100125
73566056643003
oct615403211125
9162635856658
1053352403541
112069904a498
12a40b741645
13505346c468
142821a6ba73
1515c3d4987b
hexc6c0d1255

53352403541 has 4 divisors (see below), whose sum is σ = 56160424800. Its totient is φ = 50544382284.

The previous prime is 53352403529. The next prime is 53352403567. The reversal of 53352403541 is 14530425335.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14530425335 = 52906085067.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53352403541 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 (53352403501) 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, 1404010601 + ... + 1404010638.

It is an arithmetic number, because the mean of its divisors is an integer number (14040106200).

Almost surely, 253352403541 is an apocalyptic number.

It is an amenable number.

53352403541 is a deficient number, since it is larger than the sum of its proper divisors (2808021259).

53352403541 is a wasteful number, since it uses less digits than its factorization.

53352403541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808021258.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 53352403541 its reverse (14530425335), we get a palindrome (67882828876).

The spelling of 53352403541 in words is "fifty-three billion, three hundred fifty-two million, four hundred three thousand, five hundred forty-one".

Divisors: 1 19 2808021239 53352403541