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55702020755 = 511140404151
BaseRepresentation
bin110011111000000110…
…010110001010010011
312022202222011211121202
4303320012112022103
51403034204131010
641331131341415
74011230235653
oct637006261223
9168688154552
1055702020755
112169437a6a7
12a9665b186b
1353391976c4
1429a5b34363
1516b026c6a5
hexcf8196293

55702020755 has 4 divisors (see below), whose sum is σ = 66842424912. Its totient is φ = 44561616600.

The previous prime is 55702020743. The next prime is 55702020761.

55702020755 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55702020755 - 222 = 55697826451 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 5570202071 + ... + 5570202080.

It is an arithmetic number, because the mean of its divisors is an integer number (16710606228).

Almost surely, 255702020755 is an apocalyptic number.

55702020755 is a deficient number, since it is larger than the sum of its proper divisors (11140404157).

55702020755 is a wasteful number, since it uses less digits than its factorization.

55702020755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11140404156.

The product of its (nonzero) digits is 122500, while the sum is 38.

It can be divided in two parts, 557020 and 20755, that added together give a palindrome (577775).

The spelling of 55702020755 in words is "fifty-five billion, seven hundred two million, twenty thousand, seven hundred fifty-five".

Divisors: 1 5 11140404151 55702020755