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54497834391 = 37111337490481
BaseRepresentation
bin110010110000010100…
…101111010110010111
312012200001021211110210
4302300110233112113
51343102421200031
641011433420503
73636335643360
oct626024572627
9165601254423
1054497834391
1121126674660
12a68b26a733
1351a68688b0
1428cdc34b67
15163e6a6746
hexcb052f597

54497834391 has 64 divisors (see below), whose sum is σ = 100199586816. Its totient is φ = 25426483200.

The previous prime is 54497834383. The next prime is 54497834411. The reversal of 54497834391 is 19343879445.

It is a happy number.

It is not a de Polignac number, because 54497834391 - 23 = 54497834383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54497834591) 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 63 ways as a sum of consecutive naturals, for example, 134130 + ... + 356351.

It is an arithmetic number, because the mean of its divisors is an integer number (1565618544).

Almost surely, 254497834391 is an apocalyptic number.

54497834391 is a deficient number, since it is larger than the sum of its proper divisors (45701752425).

54497834391 is a wasteful number, since it uses less digits than its factorization.

54497834391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490552.

The product of its digits is 13063680, while the sum is 57.

It can be divided in two parts, 54497 and 834391, that added together give a palindrome (888888).

The spelling of 54497834391 in words is "fifty-four billion, four hundred ninety-seven million, eight hundred thirty-four thousand, three hundred ninety-one".

Divisors: 1 3 7 11 13 21 33 37 39 77 91 111 143 231 259 273 407 429 481 777 1001 1221 1443 2849 3003 3367 5291 8547 10101 15873 37037 111111 490481 1471443 3433367 5395291 6376253 10300101 16185873 18147797 19128759 37767037 44633771 54443391 70138783 113301111 127034579 133901313 199625767 210416349 235921361 381103737 490971481 598877301 707764083 1397380369 1472914443 1651449527 2595134971 4192141107 4954348581 7785404913 18165944797 54497834391