549977472 has 512 divisors, whose sum is σ = 2009318400. Its totient is φ = 145981440.

The previous prime is 549977471. The next prime is 549977501. The reversal of 549977472 is 274779945.

549977472 is a `hidden beast` number, since 549 + 97 + 7 + 4 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549977471) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14864238 + ... + 14864274.

It is an arithmetic number, because the mean of its divisors is an integer number (3924450).

Almost surely, 2^549977472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549977472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004659200).

549977472 is an abundant number, since it is smaller than the sum of its proper divisors (1459340928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549977472 is a wasteful number, since it uses less digits than its factorization.

549977472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 93 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 54.

The square root of 549977472 is about 23451.5984956250. The cubic root of 549977472 is about 819.3100839815.

The spelling of 549977472 in words is "five hundred forty-nine million, nine hundred seventy-seven thousand, four hundred seventy-two".