5478540 has 24 divisors (see below), whose sum is σ = 15340080. Its totient is φ = 1460928.

The previous prime is 5478527. The next prime is 5478541. The reversal of 5478540 is 458745.

It is not an unprimeable number, because it can be changed into a prime (5478541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45595 + ... + 45714.

It is an arithmetic number, because the mean of its divisors is an integer number (639170).

Almost surely, 2^5478540 is an apocalyptic number.

It is an amenable number.

5478540 is an abundant number, since it is smaller than the sum of its proper divisors (9861540).

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

5478540 is a wasteful number, since it uses less digits than its factorization.

5478540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91321 (or 91319 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 5478540 is about 2340.6281208257. The cubic root of 5478540 is about 176.2875379027.

The spelling of 5478540 in words is "five million, four hundred seventy-eight thousand, five hundred forty".