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55072435 = 5111758901
BaseRepresentation
bin1101001000010…
…1011010110011
310211121222011211
43102011122303
5103044304220
65244220551
71236052015
oct322053263
9124558154
1055072435
11290a5810
121653a757
13b543152
1474581b5
154c7cb5a
hex34856b3

55072435 has 16 divisors (see below), whose sum is σ = 76336992. Its totient is φ = 37696000.

The previous prime is 55072427. The next prime is 55072453. The reversal of 55072435 is 53427055.

55072435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55072435 - 23 = 55072427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55072397 and 55072406.

It is an unprimeable number.

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, 28516 + ... + 30385.

It is an arithmetic number, because the mean of its divisors is an integer number (4771062).

Almost surely, 255072435 is an apocalyptic number.

55072435 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55072435 is a deficient number, since it is larger than the sum of its proper divisors (21264557).

55072435 is a wasteful number, since it uses less digits than its factorization.

55072435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58934.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 55072435 is about 7421.0804469430. The cubic root of 55072435 is about 380.4621224519.

The spelling of 55072435 in words is "fifty-five million, seventy-two thousand, four hundred thirty-five".

Divisors: 1 5 11 17 55 85 187 935 58901 294505 647911 1001317 3239555 5006585 11014487 55072435