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54554042436551 = 7711071025856869
BaseRepresentation
bin11000110011101110110100…
…10100100000101111000111
321011011022112000102220101122
430121313122110200233013
524122303134330432201
6312005440415344155
714330254012426640
oct1431673224405707
9234138460386348
1054554042436551
111642326a809659
126150b3252205b
132459568a68488
14d686032da6c7
15649120e4be1b
hex319dda520bc7

54554042436551 has 16 divisors (see below), whose sum is σ = 63816504168960. Its totient is φ = 45671147763360.

The previous prime is 54554042436541. The next prime is 54554042436559. The reversal of 54554042436551 is 15563424045545.

It is a happy number.

It is not a de Polignac number, because 54554042436551 - 242 = 50155995925447 is a prime.

It is a super-2 number, since 2×545540424365512 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54554042436493 and 54554042436502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54554042436559) 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, 512875256 + ... + 512981613.

It is an arithmetic number, because the mean of its divisors is an integer number (3988531510560).

Almost surely, 254554042436551 is an apocalyptic number.

54554042436551 is a deficient number, since it is larger than the sum of its proper divisors (9262461732409).

54554042436551 is a wasteful number, since it uses less digits than its factorization.

54554042436551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025857054.

The product of its (nonzero) digits is 28800000, while the sum is 53.

The spelling of 54554042436551 in words is "fifty-four trillion, five hundred fifty-four billion, forty-two million, four hundred thirty-six thousand, five hundred fifty-one".

Divisors: 1 7 71 107 497 749 7597 53179 1025856869 7180998083 72835837699 109766684983 509850863893 768366794881 7793434633793 54554042436551