56986471 has 2 divisors, whose sum is σ = 56986472. Its totient is φ = 56986470.

The previous prime is 56986469. The next prime is 56986483. The reversal of 56986471 is 17468965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56986471 - 2¹ = 56986469 is a prime.

It is a super-3 number, since 3×56986471³ (a number of 24 digits) contains 333 as substring.

Together with 56986469, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56986411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28493235 + 28493236.

It is an arithmetic number, because the mean of its divisors is an integer number (28493236).

Almost surely, 2^56986471 is an apocalyptic number.

56986471 is a deficient number, since it is larger than the sum of its proper divisors (1).

56986471 is an equidigital number, since it uses as much as digits as its factorization.

56986471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 56986471 is about 7548.9384021861. The cubic root of 56986471 is about 384.8196625477.

The spelling of 56986471 in words is "fifty-six million, nine hundred eighty-six thousand, four hundred seventy-one".