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55619043 = 3139133379
BaseRepresentation
bin1101010000101…
…0110111100011
310212122201222120
43110022313203
5103214302133
65304035323
71243516434
oct324126743
9125581876
1055619043
1129439457
1216762b43
13b6a4b9c
14755b48b
154d39ab3
hex350ade3

55619043 has 8 divisors (see below), whose sum is σ = 74692800. Its totient is φ = 36812328.

The previous prime is 55619041. The next prime is 55619089. The reversal of 55619043 is 34091655.

It is a happy number.

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

It is not a de Polignac number, because 55619043 - 21 = 55619041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55618995 and 55619013.

It is not an unprimeable number, because it can be changed into a prime (55619041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66273 + ... + 67106.

It is an arithmetic number, because the mean of its divisors is an integer number (9336600).

Almost surely, 255619043 is an apocalyptic number.

55619043 is a deficient number, since it is larger than the sum of its proper divisors (19073757).

55619043 is a wasteful number, since it uses less digits than its factorization.

55619043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133521.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 55619043 is about 7457.8175762082. The cubic root of 55619043 is about 381.7167088159.

The spelling of 55619043 in words is "fifty-five million, six hundred nineteen thousand, forty-three".

Divisors: 1 3 139 417 133379 400137 18539681 55619043