549921875 has 16 divisors (see below), whose sum is σ = 687498240. Its totient is φ = 439875000.

The previous prime is 549921857. The next prime is 549921901. The reversal of 549921875 is 578129945.

It is not a de Polignac number, because 549921875 - 2¹⁸ = 549659731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74606 + ... + 81644.

It is an arithmetic number, because the mean of its divisors is an integer number (42968640).

Almost surely, 2^549921875 is an apocalyptic number.

549921875 is a deficient number, since it is larger than the sum of its proper divisors (137576365).

549921875 is an frugal number, since it uses more digits than its factorization.

549921875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7074 (or 7044 counting only the distinct ones).

The product of its digits is 907200, while the sum is 50.

The square root of 549921875 is about 23450.4131093676. The cubic root of 549921875 is about 819.2824751429.

The spelling of 549921875 in words is "five hundred forty-nine million, nine hundred twenty-one thousand, eight hundred seventy-five".