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55802903 = 1311337987
BaseRepresentation
bin1101010011011…
…1110000010111
310220000002012012
43110313300113
5103241143103
65312014435
71245213452
oct324676027
9126002165
1055802903
1129554602
121683141b
13b73a790
1475a8499
154d742d8
hex3537c17

55802903 has 8 divisors (see below), whose sum is σ = 60628848. Its totient is φ = 51053184.

The previous prime is 55802897. The next prime is 55802909. The reversal of 55802903 is 30920855.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55802897) and next prime (55802909).

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

It is not a de Polignac number, because 55802903 - 28 = 55802647 is a prime.

It is a super-2 number, since 2×558029032 = 6227927966454818, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55802903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55802909) 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, 17525 + ... + 20462.

It is an arithmetic number, because the mean of its divisors is an integer number (7578606).

Almost surely, 255802903 is an apocalyptic number.

55802903 is a deficient number, since it is larger than the sum of its proper divisors (4825945).

55802903 is a wasteful number, since it uses less digits than its factorization.

55802903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38113.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 55802903 is about 7470.1340684087. The cubic root of 55802903 is about 382.1368601282.

The spelling of 55802903 in words is "fifty-five million, eight hundred two thousand, nine hundred three".

Divisors: 1 13 113 1469 37987 493831 4292531 55802903