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55251444332 = 2273313595613
BaseRepresentation
bin110011011101001111…
…100010001001101100
312021121120100011222002
4303131033202021230
51401123332204312
641214314111432
73664116346040
oct633517421154
9167546304862
1055251444332
1121482aaa997
12a85b71b578
135296a28536
142961d66020
1516859184c2
hexcdd3e226c

55251444332 has 24 divisors (see below), whose sum is σ = 110536428576. Its totient is φ = 23672003328.

The previous prime is 55251444277. The next prime is 55251444349. The reversal of 55251444332 is 23344415255.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205043 + ... + 390570.

It is an arithmetic number, because the mean of its divisors is an integer number (4605684524).

Almost surely, 255251444332 is an apocalyptic number.

It is an amenable number.

55251444332 is an abundant number, since it is smaller than the sum of its proper divisors (55284984244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55251444332 is a wasteful number, since it uses less digits than its factorization.

55251444332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598937 (or 598935 counting only the distinct ones).

The product of its digits is 288000, while the sum is 38.

Adding to 55251444332 its reverse (23344415255), we get a palindrome (78595859587).

The spelling of 55251444332 in words is "fifty-five billion, two hundred fifty-one million, four hundred forty-four thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 3313 6626 13252 23191 46382 92764 595613 1191226 2382452 4169291 8338582 16677164 1973265869 3946531738 7893063476 13812861083 27625722166 55251444332