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55791032 = 23112232843
BaseRepresentation
bin1101010011010…
…0110110111000
310212222110220112
43110310312320
5103240303112
65311443452
71245134033
oct324646670
9125873815
1055791032
11295466a0
1216826588
13b73525b
1475a401a
154d70a22
hex3534db8

55791032 has 32 divisors (see below), whose sum is σ = 114670080. Its totient is φ = 25236960.

The previous prime is 55791013. The next prime is 55791091. The reversal of 55791032 is 23019755.

It is a super-2 number, since 2×557910322 = 6225278503250048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55791032.

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, 18203 + ... + 21045.

It is an arithmetic number, because the mean of its divisors is an integer number (3583440).

Almost surely, 255791032 is an apocalyptic number.

It is an amenable number.

55791032 is an abundant number, since it is smaller than the sum of its proper divisors (58879048).

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

55791032 is a wasteful number, since it uses less digits than its factorization.

55791032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083 (or 3079 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 55791032 is about 7469.3394620944. The cubic root of 55791032 is about 382.1097607712.

The spelling of 55791032 in words is "fifty-five million, seven hundred ninety-one thousand, thirty-two".

Divisors: 1 2 4 8 11 22 44 88 223 446 892 1784 2453 2843 4906 5686 9812 11372 19624 22744 31273 62546 125092 250184 633989 1267978 2535956 5071912 6973879 13947758 27895516 55791032