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55430211203455 = 5111007822021881
BaseRepresentation
bin11001001101001110110100…
…00011000111000101111111
321021021002001201112220121011
430212213122003013011333
524231132033032002310
6313520142033020051
714450462210161534
oct1446473203070577
9237232051486534
1055430211203455
1116730903186290
1262728b56b4627
1324c107b19820a
14d98b9d658d8b
15661d011c278a
hex3269da0c717f

55430211203455 has 8 divisors (see below), whose sum is σ = 72563185575504. Its totient is φ = 40312880875200.

The previous prime is 55430211203453. The next prime is 55430211203489.

55430211203455 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 55430211203455 - 21 = 55430211203453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55430211203453) 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, 503911010886 + ... + 503911010995.

It is an arithmetic number, because the mean of its divisors is an integer number (9070398196938).

Almost surely, 255430211203455 is an apocalyptic number.

55430211203455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55430211203455 is a deficient number, since it is larger than the sum of its proper divisors (17132974372049).

55430211203455 is a wasteful number, since it uses less digits than its factorization.

55430211203455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007822021897.

The product of its (nonzero) digits is 360000, while the sum is 40.

It can be divided in two parts, 5543021 and 1203455, that added together give a palindrome (6746476).

The spelling of 55430211203455 in words is "fifty-five trillion, four hundred thirty billion, two hundred eleven million, two hundred three thousand, four hundred fifty-five".

Divisors: 1 5 11 55 1007822021881 5039110109405 11086042240691 55430211203455