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55572068 = 2218176757
BaseRepresentation
bin1101001111111…
…1011001100100
310212120100112202
43103333121210
5103211301233
65303034032
71243232456
oct323773144
9125510482
1055572068
1129407132
121673b918
13b6896a6
1475482d6
154d2abe8
hex34ff664

55572068 has 12 divisors (see below), whose sum is σ = 97789692. Its totient is φ = 27632160.

The previous prime is 55572059. The next prime is 55572103. The reversal of 55572068 is 86027555.

It can be written as a sum of positive squares in 2 ways, for example, as 22486564 + 33085504 = 4742^2 + 5752^2 .

It is a super-3 number, since 3×555720683 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37655 + ... + 39102.

It is an arithmetic number, because the mean of its divisors is an integer number (8149141).

Almost surely, 255572068 is an apocalyptic number.

It is an amenable number.

55572068 is a deficient number, since it is larger than the sum of its proper divisors (42217624).

55572068 is a wasteful number, since it uses less digits than its factorization.

55572068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76942 (or 76940 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 55572068 is about 7454.6675311512. The cubic root of 55572068 is about 381.6092145003.

The spelling of 55572068 in words is "fifty-five million, five hundred seventy-two thousand, sixty-eight".

Divisors: 1 2 4 181 362 724 76757 153514 307028 13893017 27786034 55572068