549977471 has 2 divisors, whose sum is σ = 549977472. Its totient is φ = 549977470.

The previous prime is 549977453. The next prime is 549977501. The reversal of 549977471 is 174779945.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549977471 - 2²² = 545783167 is a prime.

It is a super-3 number, since 3×549977471³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (549977411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274988735 + 274988736.

It is an arithmetic number, because the mean of its divisors is an integer number (274988736).

Almost surely, 2^549977471 is an apocalyptic number.

549977471 is a deficient number, since it is larger than the sum of its proper divisors (1).

549977471 is an equidigital number, since it uses as much as digits as its factorization.

549977471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2222640, while the sum is 53.

The square root of 549977471 is about 23451.5984743045. The cubic root of 549977471 is about 819.3100834849.

The spelling of 549977471 in words is "five hundred forty-nine million, nine hundred seventy-seven thousand, four hundred seventy-one".