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55255756 = 22831491117
BaseRepresentation
bin1101001011001…
…0001011001100
310211222021122111
43102302023030
5103121141011
65252153404
71240444333
oct322621314
9124867574
1055255756
1129210516
1216608864
13b5a871a
1474a4d1a
154cb7121
hex34b22cc

55255756 has 24 divisors (see below), whose sum is σ = 98607600. Its totient is φ = 27087552.

The previous prime is 55255751. The next prime is 55255841. The reversal of 55255756 is 65755255.

It is a super-2 number, since 2×552557562 = 6106397142263072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55255751) 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, 48910 + ... + 50026.

It is an arithmetic number, because the mean of its divisors is an integer number (4108650).

Almost surely, 255255756 is an apocalyptic number.

It is an amenable number.

55255756 is a deficient number, since it is larger than the sum of its proper divisors (43351844).

55255756 is a wasteful number, since it uses less digits than its factorization.

55255756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353 (or 1351 counting only the distinct ones).

The product of its digits is 262500, while the sum is 40.

The square root of 55255756 is about 7433.4215540355. The cubic root of 55255756 is about 380.8838061874.

The spelling of 55255756 in words is "fifty-five million, two hundred fifty-five thousand, seven hundred fifty-six".

Divisors: 1 2 4 83 149 166 298 332 596 1117 2234 4468 12367 24734 49468 92711 166433 185422 332866 370844 665732 13813939 27627878 55255756