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55306747469 = 792712583341
BaseRepresentation
bin110011100000100010…
…011111111001001101
312021202102101212121102
4303200202133321031
51401232011404334
641224011312445
73665360411501
oct634042377115
9167672355542
1055306747469
1121501242a66
12a87614b725
1352a531c69c
142969440301
15168a6de67e
hexce089fe4d

55306747469 has 8 divisors (see below), whose sum is σ = 56213521920. Its totient is φ = 54405140400.

The previous prime is 55306747453. The next prime is 55306747487. The reversal of 55306747469 is 96474760355.

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 55306747469 - 24 = 55306747453 is a prime.

It is a super-2 number, since 2×553067474692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55006747469) 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 7 ways as a sum of consecutive naturals, for example, 1270262 + ... + 1313079.

It is an arithmetic number, because the mean of its divisors is an integer number (7026690240).

Almost surely, 255306747469 is an apocalyptic number.

It is an amenable number.

55306747469 is a deficient number, since it is larger than the sum of its proper divisors (906774451).

55306747469 is a wasteful number, since it uses less digits than its factorization.

55306747469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2583691.

The product of its (nonzero) digits is 19051200, while the sum is 56.

The spelling of 55306747469 in words is "fifty-five billion, three hundred six million, seven hundred forty-seven thousand, four hundred sixty-nine".

Divisors: 1 79 271 21409 2583341 204083939 700085411 55306747469