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55625670 = 2335206021
BaseRepresentation
bin1101010000110…
…0011111000110
310212200002002000
43110030133012
5103220010140
65304130130
71243544652
oct324143706
9125602060
1055625670
1129443431
1216766946
13b6a7bc9
14755da62
154d3ba30
hex350c7c6

55625670 has 32 divisors (see below), whose sum is σ = 148335840. Its totient is φ = 14833440.

The previous prime is 55625663. The next prime is 55625671. The reversal of 55625670 is 7652655.

55625670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55625671) 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 15 ways as a sum of consecutive naturals, for example, 102741 + ... + 103280.

It is an arithmetic number, because the mean of its divisors is an integer number (4635495).

Almost surely, 255625670 is an apocalyptic number.

55625670 is an abundant number, since it is smaller than the sum of its proper divisors (92710170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55625670 is a wasteful number, since it uses less digits than its factorization.

55625670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206037 (or 206031 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 55625670 is about 7458.2618618549. The cubic root of 55625670 is about 381.7318687086.

The spelling of 55625670 in words is "fifty-five million, six hundred twenty-five thousand, six hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 206021 412042 618063 1030105 1236126 1854189 2060210 3090315 3708378 5562567 6180630 9270945 11125134 18541890 27812835 55625670