5551879 has 2 divisors, whose sum is σ = 5551880. Its totient is φ = 5551878.

The previous prime is 5551873. The next prime is 5551919. The reversal of 5551879 is 9781555.

It is an a-pointer prime, because the next prime (5551919) can be obtained adding 5551879 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5551879 - 2¹⁹ = 5027591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775939 + 2775940.

It is an arithmetic number, because the mean of its divisors is an integer number (2775940).

Almost surely, 2^5551879 is an apocalyptic number.

5551879 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551879 is an equidigital number, since it uses as much as digits as its factorization.

5551879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 40.

The square root of 5551879 is about 2356.2425596700. The cubic root of 5551879 is about 177.0706836762.

The spelling of 5551879 in words is "five million, five hundred fifty-one thousand, eight hundred seventy-nine".