506690055646 has 8 divisors (see below), whose sum is σ = 760188423960. Its totient is φ = 253293914328.

The previous prime is 506690055611. The next prime is 506690055679. The reversal of 506690055646 is 646550096605.

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

It is a junction number, because it is equal to n+sod(n) for n = 506690055593 and 506690055602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25544356 + ... + 25564183.

It is an arithmetic number, because the mean of its divisors is an integer number (95023552995).

Almost surely, 2^506690055646 is an apocalyptic number.

506690055646 is a deficient number, since it is larger than the sum of its proper divisors (253498368314).

506690055646 is a wasteful number, since it uses less digits than its factorization.

506690055646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51113498.

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 506690055646 in words is "five hundred six billion, six hundred ninety million, fifty-five thousand, six hundred forty-six".