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55465656455 = 511291678771
BaseRepresentation
bin110011101010000000…
…101100000010000111
312022011111102021202102
4303222000230002013
51402043202001310
641251445302315
74002330205136
oct635200540207
9168144367672
1055465656455
1121582a0a700
12a8bb40499b
1352cc21a681
1429825a791d
15169962d8a5
hexcea02c087

55465656455 has 12 divisors (see below), whose sum is σ = 73159660056. Its totient is φ = 40338658800.

The previous prime is 55465656451. The next prime is 55465656683.

55465656455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55465656455 - 22 = 55465656451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55465656455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55465656451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45838781 + ... + 45839990.

It is an arithmetic number, because the mean of its divisors is an integer number (6096638338).

Almost surely, 255465656455 is an apocalyptic number.

55465656455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55465656455 is a deficient number, since it is larger than the sum of its proper divisors (17694003601).

55465656455 is a wasteful number, since it uses less digits than its factorization.

55465656455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91678798 (or 91678787 counting only the distinct ones).

The product of its digits is 54000000, while the sum is 56.

The spelling of 55465656455 in words is "fifty-five billion, four hundred sixty-five million, six hundred fifty-six thousand, four hundred fifty-five".

Divisors: 1 5 11 55 121 605 91678771 458393855 1008466481 5042332405 11093131291 55465656455