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55556223453 = 326172913717
BaseRepresentation
bin110011101111011010…
…001011000111011101
312022101210211120022200
4303233122023013131
51402234343122303
641304442402113
74004510051643
oct635732130735
9168353746280
1055556223453
112161a048a65
12a925800339
135314c0a703
142990621193
1516a256d3a3
hexcef68b1dd

55556223453 has 6 divisors (see below), whose sum is σ = 80247878334. Its totient is φ = 37037482296.

The previous prime is 55556223439. The next prime is 55556223467. The reversal of 55556223453 is 35432265555.

It is a happy number.

55556223453 is a `hidden beast` number, since 5 + 5 + 5 + 562 + 2 + 34 + 53 = 666.

It is an interprime number because it is at equal distance from previous prime (55556223439) and next prime (55556223467).

It can be written as a sum of positive squares in only one way, i.e., 40209473529 + 15346749924 = 200523^2 + 123882^2 .

It is not a de Polignac number, because 55556223453 - 28 = 55556223197 is a prime.

It is a super-3 number, since 3×555562234533 (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55556223399 and 55556223408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55556223253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3086456850 + ... + 3086456867.

It is an arithmetic number, because the mean of its divisors is an integer number (13374646389).

Almost surely, 255556223453 is an apocalyptic number.

It is an amenable number.

55556223453 is a deficient number, since it is larger than the sum of its proper divisors (24691654881).

55556223453 is a wasteful number, since it uses less digits than its factorization.

55556223453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172913723 (or 6172913720 counting only the distinct ones).

The product of its digits is 2700000, while the sum is 45.

The spelling of 55556223453 in words is "fifty-five billion, five hundred fifty-six million, two hundred twenty-three thousand, four hundred fifty-three".

Divisors: 1 3 9 6172913717 18518741151 55556223453