5542440 has 32 divisors (see below), whose sum is σ = 16627680. Its totient is φ = 1477952.

The previous prime is 5542429. The next prime is 5542447. The reversal of 5542440 is 442455.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5542440.

It is not an unprimeable number, because it can be changed into a prime (5542447) 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, 22974 + ... + 23213.

It is an arithmetic number, because the mean of its divisors is an integer number (519615).

Almost surely, 2^5542440 is an apocalyptic number.

It is an amenable number.

5542440 is an abundant number, since it is smaller than the sum of its proper divisors (11085240).

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

5542440 is a wasteful number, since it uses less digits than its factorization.

5542440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46201 (or 46197 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 5542440 is about 2354.2387304604. The cubic root of 5542440 is about 176.9702781336.

Adding to 5542440 its reverse (442455), we get a palindrome (5984895).

The spelling of 5542440 in words is "five million, five hundred forty-two thousand, four hundred forty".