5490000 has 150 divisors (see below), whose sum is σ = 19514066. Its totient is φ = 1440000.

The previous prime is 5489999. The next prime is 5490011. The reversal of 5490000 is 945.

It can be written as a sum of positive squares in 5 ways, for example, as 3779136 + 1710864 = 1944^2 + 1308^2 .

It is a tau number, because it is divible by the number of its divisors (150).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 89970 + ... + 90030.

Almost surely, 2^5490000 is an apocalyptic number.

5490000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5490000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9757033).

5490000 is an abundant number, since it is smaller than the sum of its proper divisors (14024066).

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

5490000 is a wasteful number, since it uses less digits than its factorization.

5490000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 5490000 is about 2343.0749027720. The cubic root of 5490000 is about 176.4103716116.

Adding to 5490000 its reverse (945), we get a palindrome (5490945).

The spelling of 5490000 in words is "five million, four hundred ninety thousand".