6550004 has 6 divisors (see below), whose sum is σ = 11462514. Its totient is φ = 3275000.

The previous prime is 6550001. The next prime is 6550007. The reversal of 6550004 is 4000556.

It is an interprime number because it is at equal distance from previous prime (6550001) and next prime (6550007).

It can be written as a sum of positive squares in only one way, i.e., 4418404 + 2131600 = 2102^2 + 1460^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 818747 + ... + 818754.

It is an arithmetic number, because the mean of its divisors is an integer number (1910419).

Almost surely, 2^6550004 is an apocalyptic number.

It is an amenable number.

6550004 is a deficient number, since it is larger than the sum of its proper divisors (4912510).

6550004 is a wasteful number, since it uses less digits than its factorization.

6550004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637505 (or 1637503 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 6550004 is about 2559.2975598785. The cubic root of 6550004 is about 187.1029012237.

The spelling of 6550004 in words is "six million, five hundred fifty thousand, four".