5542921 has 4 divisors (see below), whose sum is σ = 5594832. Its totient is φ = 5491012.

The previous prime is 5542909. The next prime is 5542937. The reversal of 5542921 is 1292455.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1292455 = 5 ⋅258491.

It is a cyclic number.

It is not a de Polignac number, because 5542921 - 2⁹ = 5542409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5542921.

It is not an unprimeable number, because it can be changed into a prime (5542961) 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, 25795 + ... + 26008.

It is an arithmetic number, because the mean of its divisors is an integer number (1398708).

Almost surely, 2^5542921 is an apocalyptic number.

It is an amenable number.

5542921 is a deficient number, since it is larger than the sum of its proper divisors (51911).

5542921 is a wasteful number, since it uses less digits than its factorization.

5542921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51910.

The product of its digits is 3600, while the sum is 28.

The square root of 5542921 is about 2354.3408844091. The cubic root of 5542921 is about 176.9753974338.

The spelling of 5542921 in words is "five million, five hundred forty-two thousand, nine hundred twenty-one".