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55855023 = 372659763
BaseRepresentation
bin1101010100010…
…0011110101111
310220002201200120
43111010132233
5103244330043
65313100023
71245521430
oct325043657
9126081616
1055855023
112958a784
1216857613
13b758413
1475bd487
154d84983
hex35447af

55855023 has 8 divisors (see below), whose sum is σ = 85112448. Its totient is φ = 31917144.

The previous prime is 55855021. The next prime is 55855027. The reversal of 55855023 is 32055855.

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

It is not a de Polignac number, because 55855023 - 21 = 55855021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55855021) 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, 1329861 + ... + 1329902.

It is an arithmetic number, because the mean of its divisors is an integer number (10639056).

Almost surely, 255855023 is an apocalyptic number.

55855023 is a deficient number, since it is larger than the sum of its proper divisors (29257425).

55855023 is a wasteful number, since it uses less digits than its factorization.

55855023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659773.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 55855023 is about 7473.6218127492. The cubic root of 55855023 is about 382.2557952521.

The spelling of 55855023 in words is "fifty-five million, eight hundred fifty-five thousand, twenty-three".

Divisors: 1 3 7 21 2659763 7979289 18618341 55855023