5540401 has 8 divisors (see below), whose sum is σ = 5826240. Its totient is φ = 5258352.

The previous prime is 5540393. The next prime is 5540411. The reversal of 5540401 is 1040455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5540401 - 2³ = 5540393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5540411) 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, 2331 + ... + 4063.

It is an arithmetic number, because the mean of its divisors is an integer number (728280).

Almost surely, 2^5540401 is an apocalyptic number.

It is an amenable number.

5540401 is a deficient number, since it is larger than the sum of its proper divisors (285839).

5540401 is a wasteful number, since it uses less digits than its factorization.

5540401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 5540401 is about 2353.8056419339. The cubic root of 5540401 is about 176.9485736944.

Adding to 5540401 its reverse (1040455), we get a palindrome (6580856).

The spelling of 5540401 in words is "five million, five hundred forty thousand, four hundred one".