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53313841 = 77616263
BaseRepresentation
bin1100101101100…
…0000100110001
310201022121211201
43023120010301
5102122020331
65142411201
71215105640
oct313300461
9121277751
1053313841
1128104529
1215a30b01
13b078869
14711b357
154a31a61
hex32d8131

53313841 has 4 divisors (see below), whose sum is σ = 60930112. Its totient is φ = 45697572.

The previous prime is 53313823. The next prime is 53313847. The reversal of 53313841 is 14831335.

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: 14831335 = 52966267.

It is a cyclic number.

It is not a de Polignac number, because 53313841 - 25 = 53313809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53313847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3808125 + ... + 3808138.

It is an arithmetic number, because the mean of its divisors is an integer number (15232528).

Almost surely, 253313841 is an apocalyptic number.

It is an amenable number.

53313841 is a deficient number, since it is larger than the sum of its proper divisors (7616271).

53313841 is an equidigital number, since it uses as much as digits as its factorization.

53313841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616270.

The product of its digits is 4320, while the sum is 28.

The square root of 53313841 is about 7301.6327626086. The cubic root of 53313841 is about 376.3685484947.

The spelling of 53313841 in words is "fifty-three million, three hundred thirteen thousand, eight hundred forty-one".

Divisors: 1 7 7616263 53313841