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55000510005 = 3576110185021
BaseRepresentation
bin110011001110010010…
…010010111000110101
312020222002011101210010
4303032102102320311
51400120112310010
641133351450433
73654651423060
oct631622227065
9166862141703
1055000510005
1121364399251
12a7ab686a19
135256a4979c
14293a8c58d7
15166d89c620
hexcce492e35

55000510005 has 64 divisors (see below), whose sum is σ = 103234392576. Its totient is φ = 24485760000.

The previous prime is 55000509959. The next prime is 55000510007. The reversal of 55000510005 is 50001500055.

55000510005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55000510005 - 27 = 55000509877 is a prime.

It is a super-2 number, since 2×550005100052 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000510007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 604395 + ... + 689415.

It is an arithmetic number, because the mean of its divisors is an integer number (1613037384).

Almost surely, 255000510005 is an apocalyptic number.

It is an amenable number.

55000510005 is a deficient number, since it is larger than the sum of its proper divisors (48233882571).

55000510005 is a wasteful number, since it uses less digits than its factorization.

55000510005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85198.

The product of its (nonzero) digits is 625, while the sum is 21.

The spelling of 55000510005 in words is "fifty-five billion, five hundred ten thousand, five".

Divisors: 1 3 5 7 15 21 35 61 101 105 183 303 305 427 505 707 915 1281 1515 2121 2135 3535 6161 6405 10605 18483 30805 43127 85021 92415 129381 215635 255063 425105 595147 646905 1275315 1785441 2975735 5186281 8587121 8927205 15558843 25761363 25931405 36303967 42935605 60109847 77794215 108911901 128806815 180329541 181519835 300549235 523814381 544559505 901647705 1571443143 2619071905 3666700667 7857215715 11000102001 18333503335 55000510005