5543961 has 8 divisors (see below), whose sum is σ = 7408224. Its totient is φ = 3687840.

The previous prime is 5543939. The next prime is 5543963. The reversal of 5543961 is 1693455.

It is a happy number.

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

It is not a de Polignac number, because 5543961 - 2⁵ = 5543929 is a prime.

It is an Ulam number.

5543961 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5543963) 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, 211 + ... + 3336.

It is an arithmetic number, because the mean of its divisors is an integer number (926028).

Almost surely, 2^5543961 is an apocalyptic number.

It is an amenable number.

5543961 is a deficient number, since it is larger than the sum of its proper divisors (1864263).

5543961 is a wasteful number, since it uses less digits than its factorization.

5543961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071.

The product of its digits is 16200, while the sum is 33.

The square root of 5543961 is about 2354.5617426604. The cubic root of 5543961 is about 176.9864651785.

The spelling of 5543961 in words is "five million, five hundred forty-three thousand, nine hundred sixty-one".