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55368545642 = 2156411769981
BaseRepresentation
bin110011100100001110…
…001111010101101010
312021220201200112202122
4303210032033111222
51401343321430032
641234100031242
74000040605214
oct634416172552
9167821615678
1055368545642
1121533111933
12a892992522
1352b5078c57
1429737295b4
151690d4a012
hexce438f56a

55368545642 has 8 divisors (see below), whose sum is σ = 83058175332. Its totient is φ = 27682487200.

The previous prime is 55368545629. The next prime is 55368545719. The reversal of 55368545642 is 24654586355.

It can be written as a sum of positive squares in 2 ways, for example, as 45984942481 + 9383603161 = 214441^2 + 96869^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 853709 + ... + 916272.

Almost surely, 255368545642 is an apocalyptic number.

55368545642 is a deficient number, since it is larger than the sum of its proper divisors (27689629690).

55368545642 is a wasteful number, since it uses less digits than its factorization.

55368545642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785624.

The product of its digits is 17280000, while the sum is 53.

The spelling of 55368545642 in words is "fifty-five billion, three hundred sixty-eight million, five hundred forty-five thousand, six hundred forty-two".

Divisors: 1 2 15641 31282 1769981 3539962 27684272821 55368545642