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55400200441 = 234158748887
BaseRepresentation
bin110011100110000110…
…111111100011111001
312021222221020202222121
4303212012333203321
51401424422403231
641241150321241
74000603635235
oct634606774371
9167887222877
1055400200441
1121549a72623
12a8a14b9221
1352bb7b01c1
142977a095c5
1516939ee311
hexce61bf8f9

55400200441 has 8 divisors (see below), whose sum is σ = 59218879104. Its totient is φ = 51699019680.

The previous prime is 55400200417. The next prime is 55400200459. The reversal of 55400200441 is 14400200455.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55400200441 - 227 = 55265982713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55400200411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29373501 + ... + 29375386.

It is an arithmetic number, because the mean of its divisors is an integer number (7402359888).

Almost surely, 255400200441 is an apocalyptic number.

It is an amenable number.

55400200441 is a deficient number, since it is larger than the sum of its proper divisors (3818678663).

55400200441 is a wasteful number, since it uses less digits than its factorization.

55400200441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58748951.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 55400200441 its reverse (14400200455), we get a palindrome (69800400896).

The spelling of 55400200441 in words is "fifty-five billion, four hundred million, two hundred thousand, four hundred forty-one".

Divisors: 1 23 41 943 58748887 1351224401 2408704367 55400200441