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54688720535 = 5433237710627
BaseRepresentation
bin110010111011101100…
…111010011010010111
312020011100110212000222
4302323230322122113
51344000303024120
641042413024555
73644144311631
oct627354723227
9166140425028
1054688720535
11212143a21a9
12a72318515b
135207281787
14290b323a51
151651310525
hexcbbb3a697

54688720535 has 16 divisors (see below), whose sum is σ = 65811891936. Its totient is φ = 43627465728.

The previous prime is 54688720523. The next prime is 54688720577. The reversal of 54688720535 is 53502788645.

It is a cyclic number.

It is not a de Polignac number, because 54688720535 - 28 = 54688720279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5140892 + ... + 5151518.

It is an arithmetic number, because the mean of its divisors is an integer number (4113243246).

Almost surely, 254688720535 is an apocalyptic number.

54688720535 is a deficient number, since it is larger than the sum of its proper divisors (11123171401).

54688720535 is a wasteful number, since it uses less digits than its factorization.

54688720535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13442.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 54688720535 in words is "fifty-four billion, six hundred eighty-eight million, seven hundred twenty thousand, five hundred thirty-five".

Divisors: 1 5 433 2165 2377 10627 11885 53135 1029241 4601491 5146205 23007455 25260379 126301895 10937744107 54688720535