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55901792 = 2529591021
BaseRepresentation
bin1101010100111…
…1111001100000
310220012002211202
43111033321200
5103302324132
65314100332
71246104662
oct325177140
9126162752
1055901792
1129611931
121687a6a8
13b7737ab
1475d2532
154d93762
hex354fe60

55901792 has 48 divisors (see below), whose sum is σ = 115894800. Its totient is φ = 26503680.

The previous prime is 55901719. The next prime is 55901801. The reversal of 55901792 is 29710955.

It is a super-2 number, since 2×559017922 = 6250020697622528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54242 + ... + 55262.

It is an arithmetic number, because the mean of its divisors is an integer number (2414475).

Almost surely, 255901792 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55901792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57947400).

55901792 is an abundant number, since it is smaller than the sum of its proper divisors (59993008).

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

55901792 is a wasteful number, since it uses less digits than its factorization.

55901792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 55901792 is about 7476.7500961313. The cubic root of 55901792 is about 382.3624567053.

The spelling of 55901792 in words is "fifty-five million, nine hundred one thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 29 32 58 59 116 118 232 236 464 472 928 944 1021 1711 1888 2042 3422 4084 6844 8168 13688 16336 27376 29609 32672 54752 59218 60239 118436 120478 236872 240956 473744 481912 947488 963824 1746931 1927648 3493862 6987724 13975448 27950896 55901792