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55552705 = 5132337159
BaseRepresentation
bin1101001111101…
…0101011000001
310212112100222121
43103322223001
5103210141310
65302404241
71243122145
oct323725301
9125470877
1055552705
11293a362a
1216730681
13b680930
147541225
154d250da
hex34faac1

55552705 has 16 divisors (see below), whose sum is σ = 74914560. Its totient is φ = 39238848.

The previous prime is 55552703. The next prime is 55552709. The reversal of 55552705 is 50725555.

It is a cyclic number.

It is not a de Polignac number, because 55552705 - 21 = 55552703 is a prime.

It is a super-2 number, since 2×555527052 = 6172206065634050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55552703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17085 + ... + 20074.

It is an arithmetic number, because the mean of its divisors is an integer number (4682160).

Almost surely, 255552705 is an apocalyptic number.

It is an amenable number.

55552705 is a deficient number, since it is larger than the sum of its proper divisors (19361855).

55552705 is a wasteful number, since it uses less digits than its factorization.

55552705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37200.

The product of its (nonzero) digits is 43750, while the sum is 34.

The square root of 55552705 is about 7453.3687014665. The cubic root of 55552705 is about 381.5648879297.

The spelling of 55552705 in words is "fifty-five million, five hundred fifty-two thousand, seven hundred five".

Divisors: 1 5 13 23 65 115 299 1495 37159 185795 483067 854657 2415335 4273285 11110541 55552705