5490540 has 144 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 1280640.

The previous prime is 5490539. The next prime is 5490553. The reversal of 5490540 is 450945.

5490540 = T₅₁ + T₅₂ + ... + T₃₂₀.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93031 + ... + 93089.

It is an arithmetic number, because the mean of its divisors is an integer number (131040).

Almost surely, 2^5490540 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 5490540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9434880).

5490540 is an abundant number, since it is smaller than the sum of its proper divisors (13379220).

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

5490540 is a wasteful number, since it uses less digits than its factorization.

With its successor (5490541) it forms an eRAP, since the sums of their prime factors are consecutive (132 and 133).

5490540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 5490540 is about 2343.1901331305. The cubic root of 5490540 is about 176.4161553686.

It can be divided in two parts, 54905 and 40, that added together give a palindrome (54945).

The spelling of 5490540 in words is "five million, four hundred ninety thousand, five hundred forty".