5540535401 has 4 divisors (see below), whose sum is σ = 5584161792. Its totient is φ = 5496909012.

The previous prime is 5540535391. The next prime is 5540535439. The reversal of 5540535401 is 1045350455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5540535401 is a prime.

It is a super-3 number, since 3×5540535401³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5540535001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21813005 + ... + 21813258.

It is an arithmetic number, because the mean of its divisors is an integer number (1396040448).

Almost surely, 2^5540535401 is an apocalyptic number.

It is an amenable number.

5540535401 is a deficient number, since it is larger than the sum of its proper divisors (43626391).

5540535401 is a wasteful number, since it uses less digits than its factorization.

5540535401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43626390.

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 5540535401 is about 74434.7727947093. The cubic root of 5540535401 is about 1769.5000450982.

Adding to 5540535401 its reverse (1045350455), we get a palindrome (6585885856).

The spelling of 5540535401 in words is "five billion, five hundred forty million, five hundred thirty-five thousand, four hundred one".