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55388282 = 227694141
BaseRepresentation
bin1101001101001…
…0100001111010
310212020000102212
43103102201322
5103134411112
65255055122
71241535605
oct323224172
9125200385
1055388282
11292a1044
12166714a2
13b623b41
1474db33c
154ce1522
hex34d287a

55388282 has 4 divisors (see below), whose sum is σ = 83082426. Its totient is φ = 27694140.

The previous prime is 55388279. The next prime is 55388293. The reversal of 55388282 is 28288355.

55388282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28288355 = 55657671.

It can be written as a sum of positive squares in only one way, i.e., 48038761 + 7349521 = 6931^2 + 2711^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13847069 + ... + 13847072.

Almost surely, 255388282 is an apocalyptic number.

55388282 is a deficient number, since it is larger than the sum of its proper divisors (27694144).

55388282 is a wasteful number, since it uses less digits than its factorization.

55388282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27694143.

The product of its digits is 153600, while the sum is 41.

The square root of 55388282 is about 7442.3304145946. The cubic root of 55388282 is about 381.1880683420.

The spelling of 55388282 in words is "fifty-five million, three hundred eighty-eight thousand, two hundred eighty-two".

Divisors: 1 2 27694141 55388282