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55677144 = 23319122099
BaseRepresentation
bin1101010001100…
…1000011011000
310212202200200110
43110121003120
5103223132034
65305204320
71244151015
oct324310330
9125680613
1055677144
1129479076
12167906a0
13b6c5473
14757470c
154d4bde9
hex35190d8

55677144 has 32 divisors (see below), whose sum is σ = 146520000. Its totient is φ = 17582112.

The previous prime is 55677143. The next prime is 55677151. The reversal of 55677144 is 44177655.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60594 + ... + 61505.

It is an arithmetic number, because the mean of its divisors is an integer number (4578750).

Almost surely, 255677144 is an apocalyptic number.

It is an amenable number.

55677144 is an abundant number, since it is smaller than the sum of its proper divisors (90842856).

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

55677144 is a wasteful number, since it uses less digits than its factorization.

55677144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122127 (or 122123 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 55677144 is about 7461.7118679295. The cubic root of 55677144 is about 381.8495794011.

The spelling of 55677144 in words is "fifty-five million, six hundred seventy-seven thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 122099 244198 366297 488396 732594 976792 1465188 2319881 2930376 4639762 6959643 9279524 13919286 18559048 27838572 55677144