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55802827 = 241231547
BaseRepresentation
bin1101010011011…
…1101111001011
310220000002002101
43110313233023
5103241142302
65312014231
71245213313
oct324675713
9126002071
1055802827
1129554543
1216831377
13b73a732
1475a8443
154d74287
hex3537bcb

55802827 has 4 divisors (see below), whose sum is σ = 56034616. Its totient is φ = 55571040.

The previous prime is 55802797. The next prime is 55802833. The reversal of 55802827 is 72820855.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55802827 is a prime.

It is a super-2 number, since 2×558028272 = 6227911002383858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55802837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115533 + ... + 116014.

It is an arithmetic number, because the mean of its divisors is an integer number (14008654).

Almost surely, 255802827 is an apocalyptic number.

55802827 is a deficient number, since it is larger than the sum of its proper divisors (231789).

55802827 is a wasteful number, since it uses less digits than its factorization.

55802827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231788.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 55802827 is about 7470.1289814835. The cubic root of 55802827 is about 382.1366866461.

The spelling of 55802827 in words is "fifty-five million, eight hundred two thousand, eight hundred twenty-seven".

Divisors: 1 241 231547 55802827