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55245717254 = 27131321922963
BaseRepresentation
bin110011011100111001…
…101011111100000110
312021121011120012220002
4303130321223330012
51401120400423004
641213551241302
73664016564030
oct633471537406
9167534505802
1055245717254
112147a849072
12a859819232
1352957a1830
1429612b4c50
15168518661e
hexcdce6bf06

55245717254 has 32 divisors (see below), whose sum is σ = 102004250880. Its totient is φ = 21852843552.

The previous prime is 55245717253. The next prime is 55245717259. The reversal of 55245717254 is 45271754255.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55245717199 and 55245717208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55245717253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2394377 + ... + 2417339.

It is an arithmetic number, because the mean of its divisors is an integer number (3187632840).

Almost surely, 255245717254 is an apocalyptic number.

55245717254 is a deficient number, since it is larger than the sum of its proper divisors (46758533626).

55245717254 is a wasteful number, since it uses less digits than its factorization.

55245717254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36204.

The product of its digits is 1960000, while the sum is 47.

The spelling of 55245717254 in words is "fifty-five billion, two hundred forty-five million, seven hundred seventeen thousand, two hundred fifty-four".

Divisors: 1 2 7 13 14 26 91 182 13219 22963 26438 45926 92533 160741 171847 185066 298519 321482 343694 597038 1202929 2089633 2405858 4179266 303547897 607095794 2124835279 3946122661 4249670558 7892245322 27622858627 55245717254