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55445802 = 239240967
BaseRepresentation
bin1101001110000…
…0100100101010
310212022221100020
43103200210222
5103143231202
65300221310
71242165366
oct323404452
9125287306
1055445802
1129330285
121669a836
13b644089
1475142a6
154d035bc
hex34e092a

55445802 has 8 divisors (see below), whose sum is σ = 110891616. Its totient is φ = 18481932.

The previous prime is 55445773. The next prime is 55445807. The reversal of 55445802 is 20854455.

It is a sphenic number, since it is the product of 3 distinct primes.

55445802 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (55445807) 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, 4620478 + ... + 4620489.

It is an arithmetic number, because the mean of its divisors is an integer number (13861452).

Almost surely, 255445802 is an apocalyptic number.

55445802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55445802 is a wasteful number, since it uses less digits than its factorization.

55445802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9240972.

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 55445802 is about 7446.1937928045. The cubic root of 55445802 is about 381.3199756176.

The spelling of 55445802 in words is "fifty-five million, four hundred forty-five thousand, eight hundred two".

Divisors: 1 2 3 6 9240967 18481934 27722901 55445802