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55451400054 = 2317543641177
BaseRepresentation
bin110011101001001010…
…010011011101110110
312022010111120222122120
4303221022103131312
51402031024300204
641250215540410
74002065060241
oct635112233566
9168114528576
1055451400054
1121575962656
12a8b668a706
1352c929862b
142980736258
1516982646d9
hexce9293776

55451400054 has 16 divisors (see below), whose sum is σ = 117426494448. Its totient is φ = 17396517632.

The previous prime is 55451400029. The next prime is 55451400061. The reversal of 55451400054 is 45000415455.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55451399988 and 55451400024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271820487 + ... + 271820690.

It is an arithmetic number, because the mean of its divisors is an integer number (7339155903).

Almost surely, 255451400054 is an apocalyptic number.

55451400054 is an abundant number, since it is smaller than the sum of its proper divisors (61975094394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55451400054 is a wasteful number, since it uses less digits than its factorization.

55451400054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543641199.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 55451400054 in words is "fifty-five billion, four hundred fifty-one million, four hundred thousand, fifty-four".

Divisors: 1 2 3 6 17 34 51 102 543641177 1087282354 1630923531 3261847062 9241900009 18483800018 27725700027 55451400054