5557789 has 4 divisors (see below), whose sum is σ = 5799456. Its totient is φ = 5316124.

The previous prime is 5557787. The next prime is 5557813. The reversal of 5557789 is 9877555.

5557789 = T₂₁₂ + T₂₁₃ + ... + T₃₄₉.

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: 9877555 = 5 ⋅1975511.

It is a cyclic number.

It is not a de Polignac number, because 5557789 - 2¹ = 5557787 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5557781) 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, 120799 + ... + 120844.

It is an arithmetic number, because the mean of its divisors is an integer number (1449864).

Almost surely, 2^5557789 is an apocalyptic number.

It is an amenable number.

5557789 is a deficient number, since it is larger than the sum of its proper divisors (241667).

5557789 is a wasteful number, since it uses less digits than its factorization.

5557789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241666.

The product of its digits is 441000, while the sum is 46.

The square root of 5557789 is about 2357.4963414606. The cubic root of 5557789 is about 177.1334922394.

The spelling of 5557789 in words is "five million, five hundred fifty-seven thousand, seven hundred eighty-nine".