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55231404153493 = 591675605541881
BaseRepresentation
bin11001000111011100100000…
…01110011001101010010101
321020120001220112000100220111
430203232100032121222111
524214402403430402433
6313244542400003021
714430223453141141
oct1443562016315225
9236501815010814
1055231404153493
1116664563846107
126240271600471
1324a83b7072649
14d8d2ddb90221
1565ba67844dcd
hex323b90399a95

55231404153493 has 8 divisors (see below), whose sum is σ = 56503862170560. Its totient is φ = 53970157220640.

The previous prime is 55231404153487. The next prime is 55231404153529. The reversal of 55231404153493 is 39435140413255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55231404153493 - 25 = 55231404153461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55231404183493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2802761088 + ... + 2802780793.

It is an arithmetic number, because the mean of its divisors is an integer number (7062982771320).

Almost surely, 255231404153493 is an apocalyptic number.

It is an amenable number.

55231404153493 is a deficient number, since it is larger than the sum of its proper divisors (1272458017067).

55231404153493 is a wasteful number, since it uses less digits than its factorization.

55231404153493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605542107.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 55231404153493 in words is "fifty-five trillion, two hundred thirty-one billion, four hundred four million, one hundred fifty-three thousand, four hundred ninety-three".

Divisors: 1 59 167 9853 5605541881 330726970979 936125494127 55231404153493