5543951 has 4 divisors (see below), whose sum is σ = 6335952. Its totient is φ = 4751952.

The previous prime is 5543939. The next prime is 5543963. The reversal of 5543951 is 1593455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1593455 = 5 ⋅318691.

It is an interprime number because it is at equal distance from previous prime (5543939) and next prime (5543963).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5543951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5543971) 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, 395990 + ... + 396003.

It is an arithmetic number, because the mean of its divisors is an integer number (1583988).

Almost surely, 2^5543951 is an apocalyptic number.

5543951 is a deficient number, since it is larger than the sum of its proper divisors (792001).

5543951 is an equidigital number, since it uses as much as digits as its factorization.

5543951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792000.

The product of its digits is 13500, while the sum is 32.

The square root of 5543951 is about 2354.5596191220. The cubic root of 5543951 is about 176.9863587644.

The spelling of 5543951 in words is "five million, five hundred forty-three thousand, nine hundred fifty-one".