5542121 has 8 divisors (see below), whose sum is σ = 6027840. Its totient is φ = 5064912.

The previous prime is 5542109. The next prime is 5542127. The reversal of 5542121 is 1212455.

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

It is a cyclic number.

It is not a de Polignac number, because 5542121 - 2²² = 1347817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5542093 and 5542102.

It is not an unprimeable number, because it can be changed into a prime (5542127) 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, 731 + ... + 3408.

It is an arithmetic number, because the mean of its divisors is an integer number (753480).

Almost surely, 2^5542121 is an apocalyptic number.

It is an amenable number.

5542121 is a deficient number, since it is larger than the sum of its proper divisors (485719).

5542121 is a wasteful number, since it uses less digits than its factorization.

5542121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255.

The product of its digits is 400, while the sum is 20.

The square root of 5542121 is about 2354.1709793471. The cubic root of 5542121 is about 176.9668828419.

Adding to 5542121 its reverse (1212455), we get a palindrome (6754576).

The spelling of 5542121 in words is "five million, five hundred forty-two thousand, one hundred twenty-one".