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55004471 is a prime number
BaseRepresentation
bin1101000111010…
…0110100110111
310211111111221122
43101310310313
5103040120341
65242534155
71235346614
oct321646467
9124444848
1055004471
1129059745
121650735b
13b51b232
14743b50b
154c6794b
hex3474d37

55004471 has 2 divisors, whose sum is σ = 55004472. Its totient is φ = 55004470.

The previous prime is 55004441. The next prime is 55004491. The reversal of 55004471 is 17440055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55004471 - 222 = 50810167 is a prime.

It is a super-3 number, since 3×550044713 (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55004471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55004441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27502235 + 27502236.

It is an arithmetic number, because the mean of its divisors is an integer number (27502236).

Almost surely, 255004471 is an apocalyptic number.

55004471 is a deficient number, since it is larger than the sum of its proper divisors (1).

55004471 is an equidigital number, since it uses as much as digits as its factorization.

55004471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 55004471 is about 7416.4999157284. The cubic root of 55004471 is about 380.3055506457.

The spelling of 55004471 in words is "fifty-five million, four thousand, four hundred seventy-one".