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55061375 = 531393169
BaseRepresentation
bin1101001000001…
…0101101111111
310211121102000012
43102002231333
5103043431000
65244053435
71236004535
oct322025577
9124542005
1055061375
1129098476
121653427b
13b53b0c5
147454155
154c79735
hex3482b7f

55061375 has 16 divisors (see below), whose sum is σ = 69232800. Its totient is φ = 43718400.

The previous prime is 55061359. The next prime is 55061389. The reversal of 55061375 is 57316055.

It is not a de Polignac number, because 55061375 - 24 = 55061359 is a prime.

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, 15791 + ... + 18959.

It is an arithmetic number, because the mean of its divisors is an integer number (4327050).

Almost surely, 255061375 is an apocalyptic number.

55061375 is a deficient number, since it is larger than the sum of its proper divisors (14171425).

55061375 is a wasteful number, since it uses less digits than its factorization.

55061375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323 (or 3313 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 55061375 is about 7420.3352350147. The cubic root of 55061375 is about 380.4366517980.

The spelling of 55061375 in words is "fifty-five million, sixty-one thousand, three hundred seventy-five".

Divisors: 1 5 25 125 139 695 3169 3475 15845 17375 79225 396125 440491 2202455 11012275 55061375