549704477 has 16 divisors (see below), whose sum is σ = 634182912. Its totient is φ = 466732800.

The previous prime is 549704471. The next prime is 549704479. The reversal of 549704477 is 774407945.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 549704477 - 2¹⁶ = 549638941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549704471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626363 + ... + 627239.

It is an arithmetic number, because the mean of its divisors is an integer number (39636432).

Almost surely, 2^549704477 is an apocalyptic number.

It is an amenable number.

549704477 is a deficient number, since it is larger than the sum of its proper divisors (84478435).

549704477 is a wasteful number, since it uses less digits than its factorization.

549704477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 549704477 is about 23445.7773810126. Note that the first 3 decimals coincide. The cubic root of 549704477 is about 819.1744998981.

The spelling of 549704477 in words is "five hundred forty-nine million, seven hundred four thousand, four hundred seventy-seven".