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55252810 = 2534715923
BaseRepresentation
bin1101001011000…
…1011101001010
310211222010121101
43102301131022
5103121042220
65252132014
71240432624
oct322613512
9124863541
1055252810
1129209288
121660700a
13b5a7292
1474a3c14
154cb630a
hex34b174a

55252810 has 16 divisors (see below), whose sum is σ = 99747936. Its totient is φ = 22036048.

The previous prime is 55252793. The next prime is 55252811. The reversal of 55252810 is 1825255.

55252810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×552528102 = 6105746025792200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55252811) 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 7 ways as a sum of consecutive naturals, for example, 4492 + ... + 11431.

It is an arithmetic number, because the mean of its divisors is an integer number (6234246).

Almost surely, 255252810 is an apocalyptic number.

55252810 is a deficient number, since it is larger than the sum of its proper divisors (44495126).

55252810 is a wasteful number, since it uses less digits than its factorization.

55252810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16277.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 55252810 is about 7433.2233923110. The cubic root of 55252810 is about 380.8770370366.

The spelling of 55252810 in words is "fifty-five million, two hundred fifty-two thousand, eight hundred ten".

Divisors: 1 2 5 10 347 694 1735 3470 15923 31846 79615 159230 5525281 11050562 27626405 55252810