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55758357 = 3214094397
BaseRepresentation
bin1101010010110…
…0111000010101
310212220211002100
43110230320111
5103233231412
65311032313
71244636544
oct324547025
9125824070
1055758357
1129524096
121680b699
13b723415
14759615b
154d65edc
hex352ce15

55758357 has 12 divisors (see below), whose sum is σ = 80615340. Its totient is φ = 37137408.

The previous prime is 55758347. The next prime is 55758361. The reversal of 55758357 is 75385755.

55758357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10074276 + 45684081 = 3174^2 + 6759^2 .

It is not a de Polignac number, because 55758357 - 24 = 55758341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55758347) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 10483 + ... + 14879.

It is an arithmetic number, because the mean of its divisors is an integer number (6717945).

Almost surely, 255758357 is an apocalyptic number.

It is an amenable number.

55758357 is a deficient number, since it is larger than the sum of its proper divisors (24856983).

55758357 is a wasteful number, since it uses less digits than its factorization.

55758357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812 (or 5809 counting only the distinct ones).

The product of its digits is 735000, while the sum is 45.

The square root of 55758357 is about 7467.1518666758. The cubic root of 55758357 is about 382.0351497676.

The spelling of 55758357 in words is "fifty-five million, seven hundred fifty-eight thousand, three hundred fifty-seven".

Divisors: 1 3 9 1409 4227 4397 12681 13191 39573 6195373 18586119 55758357