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55424524321 = 2319971206691
BaseRepresentation
bin110011100111100011…
…110010000000100001
312022001122000120002001
4303213203302000201
51402002134234241
641243415524001
74001320453315
oct634743620041
9168048016061
1055424524321
1121561776501
12a8a9689601
1352c384872a
14297ad3bb45
151695c06431
hexce78f2021

55424524321 has 8 divisors (see below), whose sum is σ = 57863294784. Its totient is φ = 52988171280.

The previous prime is 55424524289. The next prime is 55424524327. The reversal of 55424524321 is 12342542455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55424524321 - 25 = 55424524289 is a prime.

It is a super-2 number, since 2×554245243212 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55424524327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557415 + ... + 649276.

It is an arithmetic number, because the mean of its divisors is an integer number (7232911848).

Almost surely, 255424524321 is an apocalyptic number.

It is an amenable number.

55424524321 is a deficient number, since it is larger than the sum of its proper divisors (2438770463).

55424524321 is a wasteful number, since it uses less digits than its factorization.

55424524321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208711.

The product of its digits is 192000, while the sum is 37.

The spelling of 55424524321 in words is "fifty-five billion, four hundred twenty-four million, five hundred twenty-four thousand, three hundred twenty-one".

Divisors: 1 23 1997 45931 1206691 27753893 2409761927 55424524321