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55768798 = 229961531
BaseRepresentation
bin1101010010111…
…1011011011110
310212221100102001
43110233123132
5103234100143
65311152514
71245012151
oct324573336
9125840361
1055768798
1129530a18
121681573a
13b7280b7
147599c98
154d6914d
hex352f6de

55768798 has 8 divisors (see below), whose sum is σ = 86537880. Its totient is φ = 26922840.

The previous prime is 55768771. The next prime is 55768847. The reversal of 55768798 is 89786755.

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

It is a super-2 number, since 2×557687982 = 6220317660729608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 480708 + ... + 480823.

It is an arithmetic number, because the mean of its divisors is an integer number (10817235).

Almost surely, 255768798 is an apocalyptic number.

55768798 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

55768798 is a deficient number, since it is larger than the sum of its proper divisors (30769082).

55768798 is a wasteful number, since it uses less digits than its factorization.

55768798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961562.

The product of its digits is 4233600, while the sum is 55.

The square root of 55768798 is about 7467.8509626264. The cubic root of 55768798 is about 382.0589942056.

The spelling of 55768798 in words is "fifty-five million, seven hundred sixty-eight thousand, seven hundred ninety-eight".

Divisors: 1 2 29 58 961531 1923062 27884399 55768798