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55908705 = 353727247
BaseRepresentation
bin1101010101000…
…1100101100001
310220012110022210
43111101211201
5103303034310
65314152333
71246134066
oct325214541
9126173283
1055908705
1129617046
12168826a9
13b776998
1475d4c6d
154d95820
hex3551961

55908705 has 8 divisors (see below), whose sum is σ = 89453952. Its totient is φ = 29817968.

The previous prime is 55908703. The next prime is 55908731. The reversal of 55908705 is 50780955.

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

It is a cyclic number.

It is not a de Polignac number, because 55908705 - 21 = 55908703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55908701) 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, 1863609 + ... + 1863638.

It is an arithmetic number, because the mean of its divisors is an integer number (11181744).

Almost surely, 255908705 is an apocalyptic number.

It is an amenable number.

55908705 is a deficient number, since it is larger than the sum of its proper divisors (33545247).

55908705 is a wasteful number, since it uses less digits than its factorization.

55908705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727255.

The product of its (nonzero) digits is 63000, while the sum is 39.

The square root of 55908705 is about 7477.2123816299. The cubic root of 55908705 is about 382.3782174565.

The spelling of 55908705 in words is "fifty-five million, nine hundred eight thousand, seven hundred five".

Divisors: 1 3 5 15 3727247 11181741 18636235 55908705