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55677142 = 2171637563
BaseRepresentation
bin1101010001100…
…1000011010110
310212202200200101
43110121003112
5103223132032
65305204314
71244151013
oct324310326
9125680611
1055677142
1129479074
121679069a
13b6c5471
14757470a
154d4bde7
hex35190d6

55677142 has 8 divisors (see below), whose sum is σ = 88428456. Its totient is φ = 26200992.

The previous prime is 55677133. The next prime is 55677143. The reversal of 55677142 is 24177655.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55677143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818748 + ... + 818815.

It is an arithmetic number, because the mean of its divisors is an integer number (11053557).

Almost surely, 255677142 is an apocalyptic number.

55677142 is a deficient number, since it is larger than the sum of its proper divisors (32751314).

55677142 is a wasteful number, since it uses less digits than its factorization.

55677142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637582.

The product of its digits is 58800, while the sum is 37.

The square root of 55677142 is about 7461.7117339120. The cubic root of 55677142 is about 381.8495748290.

The spelling of 55677142 in words is "fifty-five million, six hundred seventy-seven thousand, one hundred forty-two".

Divisors: 1 2 17 34 1637563 3275126 27838571 55677142