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55672334553 = 31117127781399
BaseRepresentation
bin110011110110010101…
…000110100011011001
312022200220022121210210
4303312111012203121
51403004104201203
641324151201333
74010420015163
oct636625064331
9168626277723
1055672334553
1121679643a50
12a958676249
135332ca24c4
1429a1c07933
1516ac856803
hexcf65468d9

55672334553 has 32 divisors (see below), whose sum is σ = 86416588800. Its totient is φ = 31505967360.

The previous prime is 55672334513. The next prime is 55672334563. The reversal of 55672334553 is 35543327655.

It is not a de Polignac number, because 55672334553 - 224 = 55655557337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55672334503) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 319453 + ... + 461946.

It is an arithmetic number, because the mean of its divisors is an integer number (2700518400).

Almost surely, 255672334553 is an apocalyptic number.

It is an amenable number.

55672334553 is a deficient number, since it is larger than the sum of its proper divisors (30744254247).

55672334553 is a wasteful number, since it uses less digits than its factorization.

55672334553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781557.

The product of its digits is 5670000, while the sum is 48.

The spelling of 55672334553 in words is "fifty-five billion, six hundred seventy-two million, three hundred thirty-four thousand, five hundred fifty-three".

Divisors: 1 3 11 17 33 51 127 187 381 561 1397 2159 4191 6477 23749 71247 781399 2344197 8595389 13283783 25786167 39851349 99237673 146121613 297713019 438364839 1091614403 1687040441 3274843209 5061121323 18557444851 55672334553