506020555 has 8 divisors (see below), whose sum is σ = 642943872. Its totient is φ = 381003648.

The previous prime is 506020549. The next prime is 506020573. The reversal of 506020555 is 555020605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 506020555 - 2²¹ = 503923403 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2976507 + ... + 2976676.

It is an arithmetic number, because the mean of its divisors is an integer number (80367984).

Almost surely, 2^506020555 is an apocalyptic number.

506020555 is a deficient number, since it is larger than the sum of its proper divisors (136923317).

506020555 is a wasteful number, since it uses less digits than its factorization.

506020555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953205.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 506020555 is about 22494.9006443683. The cubic root of 506020555 is about 796.8735029166.

Subtracting 506020555 from its reverse (555020605), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 506020555 in words is "five hundred six million, twenty thousand, five hundred fifty-five".