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55736048641 = 7133767247069
BaseRepresentation
bin110011111010001000…
…001001110000000001
312022212100012122002211
4303322020021300001
51403121412024031
641334344542121
74012122411430
oct637210116001
9168770178084
1055736048641
1121701601319
12a975a81941
13534324cb50
1429aa471117
1516b323ebb1
hexcfa209c01

55736048641 has 32 divisors (see below), whose sum is σ = 71504034560. Its totient is φ = 42266416896.

The previous prime is 55736048633. The next prime is 55736048647. The reversal of 55736048641 is 14684063755.

It is a cyclic number.

It is not a de Polignac number, because 55736048641 - 23 = 55736048633 is a prime.

It is a super-2 number, since 2×557360486412 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55736048647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102055 + ... + 349123.

It is an arithmetic number, because the mean of its divisors is an integer number (2234501080).

Almost surely, 255736048641 is an apocalyptic number.

It is an amenable number.

55736048641 is a deficient number, since it is larger than the sum of its proper divisors (15767985919).

55736048641 is a wasteful number, since it uses less digits than its factorization.

55736048641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247193.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 55736048641 in words is "fifty-five billion, seven hundred thirty-six million, forty-eight thousand, six hundred forty-one".

Divisors: 1 7 13 37 67 91 259 469 481 871 2479 3367 6097 17353 32227 225589 247069 1729483 3211897 9141553 16553623 22483279 63990871 115875361 118840189 215197099 612484051 831881323 1506379693 4287388357 7962292663 55736048641