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55465200401 = 134266553877
BaseRepresentation
bin110011101001111110…
…111100101100010001
312022011110120010011112
4303221332330230101
51402043042403101
641251431423105
74002323265422
oct635176745421
9168143503145
1055465200401
1121582728aa6
12a8bb224a95
1352cc0bac10
1429824c9649
15169958d6bb
hexce9fbcb11

55465200401 has 4 divisors (see below), whose sum is σ = 59731754292. Its totient is φ = 51198646512.

The previous prime is 55465200359. The next prime is 55465200421. The reversal of 55465200401 is 10400256455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10400256455 = 52080051291.

It can be written as a sum of positive squares in 2 ways, for example, as 19915983376 + 35549217025 = 141124^2 + 188545^2 .

It is not a de Polignac number, because 55465200401 - 214 = 55465184017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55465200421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2133276926 + ... + 2133276951.

It is an arithmetic number, because the mean of its divisors is an integer number (14932938573).

Almost surely, 255465200401 is an apocalyptic number.

It is an amenable number.

55465200401 is a deficient number, since it is larger than the sum of its proper divisors (4266553891).

55465200401 is a wasteful number, since it uses less digits than its factorization.

55465200401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4266553890.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 55465200401 its reverse (10400256455), we get a palindrome (65865456856).

The spelling of 55465200401 in words is "fifty-five billion, four hundred sixty-five million, two hundred thousand, four hundred one".

Divisors: 1 13 4266553877 55465200401