55670471 has 2 divisors, whose sum is σ = 55670472. Its totient is φ = 55670470.

The previous prime is 55670443. The next prime is 55670521. The reversal of 55670471 is 17407655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55670471 - 2¹⁰ = 55669447 is a prime.

It is a super-3 number, since 3×55670471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55670441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27835235 + 27835236.

It is an arithmetic number, because the mean of its divisors is an integer number (27835236).

Almost surely, 2^55670471 is an apocalyptic number.

55670471 is a deficient number, since it is larger than the sum of its proper divisors (1).

55670471 is an equidigital number, since it uses as much as digits as its factorization.

55670471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 55670471 is about 7461.2647051287. The cubic root of 55670471 is about 381.8343236854.

The spelling of 55670471 in words is "fifty-five million, six hundred seventy thousand, four hundred seventy-one".