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55231404153541 = 7111096580651037
BaseRepresentation
bin11001000111011100100000…
…01110011001101011000101
321020120001220112000100222021
430203232100032121223011
524214402403430403131
6313244542400003141
714430223453141240
oct1443562016315305
9236501815010867
1055231404153541
1116664563846150
1262402716004b1
1324a83b7072685
14d8d2ddb90257
1565ba67844e11
hex323b90399ac5

55231404153541 has 16 divisors (see below), whose sum is σ = 69491674961280. Its totient is φ = 42642618713280.

The previous prime is 55231404153529. The next prime is 55231404153547. The reversal of 55231404153541 is 14535140413255.

It is a cyclic number.

It is not a de Polignac number, because 55231404153541 - 231 = 55229256669893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55231404153547) 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, 3290317126 + ... + 3290333911.

It is an arithmetic number, because the mean of its divisors is an integer number (4343229685080).

Almost surely, 255231404153541 is an apocalyptic number.

It is an amenable number.

55231404153541 is a deficient number, since it is larger than the sum of its proper divisors (14260270807739).

55231404153541 is a wasteful number, since it uses less digits than its factorization.

55231404153541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6580651164.

The product of its (nonzero) digits is 720000, while the sum is 43.

Adding to 55231404153541 its reverse (14535140413255), we get a palindrome (69766544566796).

The spelling of 55231404153541 in words is "fifty-five trillion, two hundred thirty-one billion, four hundred four million, one hundred fifty-three thousand, five hundred forty-one".

Divisors: 1 7 11 77 109 763 1199 8393 6580651037 46064557259 72387161407 506710129849 717290963033 5021036741231 7890200593363 55231404153541