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55716855 = 354779031
BaseRepresentation
bin1101010010001…
…0101111110111
310212211201011020
43110202233313
5103230414410
65310112223
71244404545
oct324425767
9125751136
1055716855
11294a5997
12167ab673
13b70a56c
147584d95
154d58a70
hex3522bf7

55716855 has 16 divisors (see below), whose sum is σ = 91044864. Its totient is φ = 29083040.

The previous prime is 55716853. The next prime is 55716877. The reversal of 55716855 is 55861755.

It is not a de Polignac number, because 55716855 - 21 = 55716853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55716853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38811 + ... + 40220.

It is an arithmetic number, because the mean of its divisors is an integer number (5690304).

Almost surely, 255716855 is an apocalyptic number.

55716855 is a deficient number, since it is larger than the sum of its proper divisors (35328009).

55716855 is a wasteful number, since it uses less digits than its factorization.

55716855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79086.

The product of its digits is 210000, while the sum is 42.

The square root of 55716855 is about 7464.3723781709. The cubic root of 55716855 is about 381.9403409112.

The spelling of 55716855 in words is "fifty-five million, seven hundred sixteen thousand, eight hundred fifty-five".

Divisors: 1 3 5 15 47 141 235 705 79031 237093 395155 1185465 3714457 11143371 18572285 55716855