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55552022001 = 327881778127
BaseRepresentation
bin110011101111001010…
…001001010111110001
312022101111221010000100
4303233022021113301
51402232304201001
641304212343013
74004426252550
oct635712112761
9168344833010
1055552022001
1121617739393
12a924314a69
135314099248
14298dc49d97
1516a1edd586
hexcef2895f1

55552022001 has 12 divisors (see below), whose sum is σ = 91704925312. Its totient is φ = 31744012536.

The previous prime is 55552021999. The next prime is 55552022011. The reversal of 55552022001 is 10022025555.

It is not a de Polignac number, because 55552022001 - 21 = 55552021999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55552022011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 440889001 + ... + 440889126.

Almost surely, 255552022001 is an apocalyptic number.

It is an amenable number.

55552022001 is a deficient number, since it is larger than the sum of its proper divisors (36152903311).

55552022001 is a wasteful number, since it uses less digits than its factorization.

55552022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881778140 (or 881778137 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

Adding to 55552022001 its reverse (10022025555), we get a palindrome (65574047556).

The spelling of 55552022001 in words is "fifty-five billion, five hundred fifty-two million, twenty-two thousand, one".

Divisors: 1 3 7 9 21 63 881778127 2645334381 6172446889 7936003143 18517340667 55552022001