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55000041 = 319964913
BaseRepresentation
bin1101000111001…
…1101111101001
310211111021212120
43101303233221
5103040000131
65242501453
71235330655
oct321635751
9124437776
1055000041
1129056388
1216504889
13b519205
147439a65
154c66496
hex3473be9

55000041 has 8 divisors (see below), whose sum is σ = 77193120. Its totient is φ = 34736832.

The previous prime is 55000031. The next prime is 55000069. The reversal of 55000041 is 14000055.

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

It is not a de Polignac number, because 55000041 - 218 = 54737897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55000031) 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, 482400 + ... + 482513.

It is an arithmetic number, because the mean of its divisors is an integer number (9649140).

Almost surely, 255000041 is an apocalyptic number.

It is an amenable number.

55000041 is a deficient number, since it is larger than the sum of its proper divisors (22193079).

55000041 is a wasteful number, since it uses less digits than its factorization.

55000041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964935.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 55000041 is about 7416.2012513146. The cubic root of 55000041 is about 380.2953405737.

Adding to 55000041 its reverse (14000055), we get a palindrome (69000096).

The spelling of 55000041 in words is "fifty-five million, forty-one", and thus it is an aban number and an uban number.

Divisors: 1 3 19 57 964913 2894739 18333347 55000041