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55043055464 = 2317686958921
BaseRepresentation
bin110011010000110100…
…100101111101101000
312021002001012221011212
4303100310211331220
51400212010233324
641141511412252
73656006152235
oct632064457550
9167061187155
1055043055464
1121386408291
12a801984088
1352627c4b07
1429423dc78c
1516724a370e
hexcd0d25f68

55043055464 has 32 divisors (see below), whose sum is σ = 109294417800. Its totient is φ = 25898403840.

The previous prime is 55043055443. The next prime is 55043055467. The reversal of 55043055464 is 46455034055.

It is a happy number.

55043055464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 32073228100 + 22969827364 = 179090^2 + 151558^2 .

It is not an unprimeable number, because it can be changed into a prime (55043055467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904724 + ... + 963644.

Almost surely, 255043055464 is an apocalyptic number.

It is an amenable number.

55043055464 is a deficient number, since it is larger than the sum of its proper divisors (54251362336).

55043055464 is a wasteful number, since it uses less digits than its factorization.

55043055464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65813 (or 65809 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 55043055464 in words is "fifty-five billion, forty-three million, fifty-five thousand, four hundred sixty-four".

Divisors: 1 2 4 8 17 34 68 136 6869 13738 27476 54952 58921 116773 117842 233546 235684 467092 471368 934184 1001657 2003314 4006628 8013256 404728349 809456698 1618913396 3237826792 6880381933 13760763866 27521527732 55043055464