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55758028079 = 1393714393181
BaseRepresentation
bin110011111011011011…
…111111110100101111
312022220212120022020002
4303323123333310233
51403143023344304
641340452014515
74012510263425
oct637333776457
9168825508202
1055758028079
1121712a53846
12a98130143b
135347977230
1429ad353115
1516b513231e
hexcfb6ffd2f

55758028079 has 16 divisors (see below), whose sum is σ = 60171874560. Its totient is φ = 51362138880.

The previous prime is 55758028003. The next prime is 55758028103. The reversal of 55758028079 is 97082085755.

It is a happy number.

It is not a de Polignac number, because 55758028079 - 220 = 55756979503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55758088079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17526869 + ... + 17530049.

It is an arithmetic number, because the mean of its divisors is an integer number (3760742160).

Almost surely, 255758028079 is an apocalyptic number.

55758028079 is a deficient number, since it is larger than the sum of its proper divisors (4413846481).

55758028079 is a wasteful number, since it uses less digits than its factorization.

55758028079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570.

The product of its (nonzero) digits is 7056000, while the sum is 56.

The spelling of 55758028079 in words is "fifty-five billion, seven hundred fifty-eight million, twenty-eight thousand, seventy-nine".

Divisors: 1 13 937 1439 3181 12181 18707 41353 1348343 2980597 4577459 17528459 38747761 59506967 4289079083 55758028079