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55510105020 = 2235925168417
BaseRepresentation
bin110011101100101010…
…001111101110111100
312022021121001111201120
4303230222033232330
51402141041330040
641300114110540
74003410051606
oct635452175674
9168247044646
1055510105020
11215a6009557
12a91227b450
1353084b0cb6
142988458176
15169d4ad7d0
hexceca8fbbc

55510105020 has 24 divisors (see below), whose sum is σ = 155428294224. Its totient is φ = 14802694656.

The previous prime is 55510105009. The next prime is 55510105031. The reversal of 55510105020 is 2050101555.

It is an interprime number because it is at equal distance from previous prime (55510105009) and next prime (55510105031).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462584149 + ... + 462584268.

It is an arithmetic number, because the mean of its divisors is an integer number (6476178926).

Almost surely, 255510105020 is an apocalyptic number.

It is an amenable number.

55510105020 is an abundant number, since it is smaller than the sum of its proper divisors (99918189204).

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

55510105020 is a wasteful number, since it uses less digits than its factorization.

55510105020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925168429 (or 925168427 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

Adding to 55510105020 its reverse (2050101555), we get a palindrome (57560206575).

The spelling of 55510105020 in words is "fifty-five billion, five hundred ten million, one hundred five thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 925168417 1850336834 2775505251 3700673668 4625842085 5551010502 9251684170 11102021004 13877526255 18503368340 27755052510 55510105020