55996471 has 2 divisors, whose sum is σ = 55996472. Its totient is φ = 55996470.

The previous prime is 55996469. The next prime is 55996481. The reversal of 55996471 is 17469955.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55996471 - 2¹ = 55996469 is a prime.

It is a super-3 number, since 3×55996471³ (a number of 24 digits) contains 333 as substring.

Together with 55996469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55996481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27998235 + 27998236.

It is an arithmetic number, because the mean of its divisors is an integer number (27998236).

Almost surely, 2^55996471 is an apocalyptic number.

55996471 is a deficient number, since it is larger than the sum of its proper divisors (1).

55996471 is an equidigital number, since it uses as much as digits as its factorization.

55996471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 46.

The square root of 55996471 is about 7483.0789786023. The cubic root of 55996471 is about 382.5781997974.

The spelling of 55996471 in words is "fifty-five million, nine hundred ninety-six thousand, four hundred seventy-one".