506550004 has 6 divisors (see below), whose sum is σ = 886462514. Its totient is φ = 253275000.

The previous prime is 506550001. The next prime is 506550029. The reversal of 506550004 is 400055605.

It can be written as a sum of positive squares in only one way, i.e., 480048100 + 26501904 = 21910^2 + 5148^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506550001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63318747 + ... + 63318754.

Almost surely, 2^506550004 is an apocalyptic number.

It is an amenable number.

506550004 is a deficient number, since it is larger than the sum of its proper divisors (379912510).

506550004 is a wasteful number, since it uses less digits than its factorization.

506550004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126637505 (or 126637503 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 506550004 is about 22506.6657681674. The cubic root of 506550004 is about 797.1513287971.

The spelling of 506550004 in words is "five hundred six million, five hundred fifty thousand, four".