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55765045 = 572695923
BaseRepresentation
bin1101010010111…
…0100000110101
310212221011021001
43110232200311
5103233440140
65311123301
71244665210
oct324564065
9125834231
1055765045
1129529116
1216813531
13b72648b
147598777
154d67e9a
hex352e835

55765045 has 16 divisors (see below), whose sum is σ = 76775040. Its totient is φ = 38090304.

The previous prime is 55765037. The next prime is 55765051. The reversal of 55765045 is 54056755.

55765045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55765045 - 23 = 55765037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55764995 and 55765013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6454 + ... + 12376.

It is an arithmetic number, because the mean of its divisors is an integer number (4798440).

Almost surely, 255765045 is an apocalyptic number.

It is an amenable number.

55765045 is a deficient number, since it is larger than the sum of its proper divisors (21009995).

55765045 is a wasteful number, since it uses less digits than its factorization.

55765045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6204.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 55765045 is about 7467.5996812898. The cubic root of 55765045 is about 382.0504237048.

The spelling of 55765045 in words is "fifty-five million, seven hundred sixty-five thousand, forty-five".

Divisors: 1 5 7 35 269 1345 1883 5923 9415 29615 41461 207305 1593287 7966435 11153009 55765045