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5550052805 = 51129173641
BaseRepresentation
bin1010010101100111…
…10001010111000101
3112022210101220011022
411022303301113011
542331303142210
62314420520525
7254351445653
oct51263612705
915283356138
105550052805
112398950900
1210aa850145
136a5aba11b
143a9165dd3
152273aa155
hex14acf15c5

5550052805 has 12 divisors (see below), whose sum is σ = 7320566316. Its totient is φ = 4036401600.

The previous prime is 5550052787. The next prime is 5550052811. The reversal of 5550052805 is 5082500555.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1105030564 + 4445022241 = 33242^2 + 66671^2 .

It is not a de Polignac number, because 5550052805 - 214 = 5550036421 is a prime.

It is a super-2 number, since 2×55500528052 = 61606172276576736050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4586216 + ... + 4587425.

It is an arithmetic number, because the mean of its divisors is an integer number (610047193).

Almost surely, 25550052805 is an apocalyptic number.

5550052805 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5550052805 is a deficient number, since it is larger than the sum of its proper divisors (1770513511).

5550052805 is a wasteful number, since it uses less digits than its factorization.

5550052805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9173668 (or 9173657 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 35.

The square root of 5550052805 is about 74498.6765318687. The cubic root of 5550052805 is about 1770.5126676294.

The spelling of 5550052805 in words is "five billion, five hundred fifty million, fifty-two thousand, eight hundred five".

Divisors: 1 5 11 55 121 605 9173641 45868205 100910051 504550255 1110010561 5550052805