5540542 has 16 divisors (see below), whose sum is σ = 9532512. Its totient is φ = 2365920.

The previous prime is 5540531. The next prime is 5540573. The reversal of 5540542 is 2450455.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4692 + ... + 5752.

It is an arithmetic number, because the mean of its divisors is an integer number (595782).

Almost surely, 2^5540542 is an apocalyptic number.

5540542 is a deficient number, since it is larger than the sum of its proper divisors (3991970).

5540542 is a wasteful number, since it uses less digits than its factorization.

5540542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 5540542 is about 2353.8355932393. The cubic root of 5540542 is about 176.9500747613.

Adding to 5540542 its reverse (2450455), we get a palindrome (7990997).

The spelling of 5540542 in words is "five million, five hundred forty thousand, five hundred forty-two".