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55132944454 = 278985951511
BaseRepresentation
bin110011010110001011…
…011111100001000110
312021022022100202200201
4303112023133201012
51400403013210304
641154442201114
73661150203250
oct632613374106
9167268322621
1055132944454
1121422123205
12a827ab319a
135278308373
14295031acd0
15167a30c3a4
hexcd62df846

55132944454 has 32 divisors (see below), whose sum is σ = 95688691200. Its totient is φ = 23335266240.

The previous prime is 55132944431. The next prime is 55132944473. The reversal of 55132944454 is 45444923155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044559 + ... + 1096069.

It is an arithmetic number, because the mean of its divisors is an integer number (2990271600).

Almost surely, 255132944454 is an apocalyptic number.

55132944454 is a deficient number, since it is larger than the sum of its proper divisors (40555746746).

55132944454 is a wasteful number, since it uses less digits than its factorization.

55132944454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52468.

The product of its digits is 1728000, while the sum is 46.

The spelling of 55132944454 in words is "fifty-five billion, one hundred thirty-two million, nine hundred forty-four thousand, four hundred fifty-four".

Divisors: 1 2 7 14 89 178 623 859 1246 1718 6013 12026 51511 76451 103022 152902 360577 535157 721154 1070314 4584479 9168958 32091353 44247949 64182706 88495898 309735643 619471286 3938067461 7876134922 27566472227 55132944454