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55753032 = 233532827
BaseRepresentation
bin1101010010101…
…1100101001000
310212220112210010
43110223211020
5103233044112
65310551520
71244615166
oct324534510
9125815703
1055753032
1129520095
12168085a0
13b720b7a
147594236
154d6463c
hex352b948

55753032 has 48 divisors (see below), whose sum is σ = 142233840. Its totient is φ = 18211648.

The previous prime is 55753031. The next prime is 55753037. The reversal of 55753032 is 23035755.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55753031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67003 + ... + 67829.

It is an arithmetic number, because the mean of its divisors is an integer number (2963205).

Almost surely, 255753032 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 55753032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71116920).

55753032 is an abundant number, since it is smaller than the sum of its proper divisors (86480808).

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

55753032 is a wasteful number, since it uses less digits than its factorization.

55753032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 30.

The square root of 55753032 is about 7466.7952965111. The cubic root of 55753032 is about 382.0229877525.

Adding to 55753032 its reverse (23035755), we get a palindrome (78788787).

The spelling of 55753032 in words is "fifty-five million, seven hundred fifty-three thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 24 53 106 159 212 318 424 636 827 1272 1654 2481 2809 3308 4962 5618 6616 8427 9924 11236 16854 19848 22472 33708 43831 67416 87662 131493 175324 262986 350648 525972 1051944 2323043 4646086 6969129 9292172 13938258 18584344 27876516 55753032