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53321025 = 352739739
BaseRepresentation
bin1100101101100…
…1110101000001
310201022222200210
43023121311001
5102122233100
65142504333
71215135612
oct313316501
9121288623
1053321025
112810996a
1215a350a9
13b07bc04
14711dc09
154a33c50
hex32d9d41

53321025 has 24 divisors (see below), whose sum is σ = 89374240. Its totient is φ = 28045440.

The previous prime is 53321017. The next prime is 53321029. The reversal of 53321025 is 52012335.

53321025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53321025 - 23 = 53321017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53320992 and 53321010.

It is not an unprimeable number, because it can be changed into a prime (53321029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 606 + ... + 10344.

Almost surely, 253321025 is an apocalyptic number.

It is an amenable number.

53321025 is a deficient number, since it is larger than the sum of its proper divisors (36053215).

53321025 is a wasteful number, since it uses less digits than its factorization.

53321025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9825 (or 9820 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53321025 is about 7302.1246908006. The cubic root of 53321025 is about 376.3854528618.

The spelling of 53321025 in words is "fifty-three million, three hundred twenty-one thousand, twenty-five".

Divisors: 1 3 5 15 25 73 75 219 365 1095 1825 5475 9739 29217 48695 146085 243475 710947 730425 2132841 3554735 10664205 17773675 53321025