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55511005060 = 2257396507179
BaseRepresentation
bin110011101100101101…
…101011011110000100
312022021122202020100101
4303230231223132010
51402141304130220
641300145253444
74003420520620
oct635455533604
9168248666311
1055511005060
11215a6573795
12a912634284
135308737874
142988610180
15169d5da30a
hexcecb6b784

55511005060 has 24 divisors (see below), whose sum is σ = 133226412480. Its totient is φ = 19032344544.

The previous prime is 55511005037. The next prime is 55511005061. The reversal of 55511005060 is 6050011555.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (55511005061) 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, 198253450 + ... + 198253729.

It is an arithmetic number, because the mean of its divisors is an integer number (5551100520).

Almost surely, 255511005060 is an apocalyptic number.

It is an amenable number.

55511005060 is an abundant number, since it is smaller than the sum of its proper divisors (77715407420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55511005060 is a wasteful number, since it uses less digits than its factorization.

55511005060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396507195 (or 396507193 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 55511005060 in words is "fifty-five billion, five hundred eleven million, five thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 396507179 793014358 1586028716 1982535895 2775550253 3965071790 5551100506 7930143580 11102201012 13877751265 27755502530 55511005060