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55923895 = 567971721
BaseRepresentation
bin1101010101010…
…1010010110111
310220020020011101
43111111102313
5103304031040
65314350531
71246226266
oct325252267
9126206141
1055923895
11296274a5
121688b447
13b780881
1475da5dd
154d9a09a
hex35554b7

55923895 has 16 divisors (see below), whose sum is σ = 68852448. Its totient is φ = 43591680.

The previous prime is 55923883. The next prime is 55923911. The reversal of 55923895 is 59832955.

It is a de Polignac number, because none of the positive numbers 2k-55923895 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31635 + ... + 33355.

It is an arithmetic number, because the mean of its divisors is an integer number (4303278).

Almost surely, 255923895 is an apocalyptic number.

55923895 is a deficient number, since it is larger than the sum of its proper divisors (12928553).

55923895 is a wasteful number, since it uses less digits than its factorization.

55923895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890.

The product of its digits is 486000, while the sum is 46.

The square root of 55923895 is about 7478.2280655246. The cubic root of 55923895 is about 382.4128441405.

The spelling of 55923895 in words is "fifty-five million, nine hundred twenty-three thousand, eight hundred ninety-five".

Divisors: 1 5 67 97 335 485 1721 6499 8605 32495 115307 166937 576535 834685 11184779 55923895