505050600551 has 4 divisors (see below), whose sum is σ = 577200686352. Its totient is φ = 432900514752.

The previous prime is 505050600517. The next prime is 505050600553. The reversal of 505050600551 is 155006050505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505050600551 - 2²² = 505046406247 is a prime.

It is a super-2 number, since 2×505050600551² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505050600553) 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, 36075042890 + ... + 36075042903.

It is an arithmetic number, because the mean of its divisors is an integer number (144300171588).

Almost surely, 2^505050600551 is an apocalyptic number.

505050600551 is a deficient number, since it is larger than the sum of its proper divisors (72150085801).

505050600551 is an equidigital number, since it uses as much as digits as its factorization.

505050600551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72150085800.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 505050600551 in words is "five hundred five billion, fifty million, six hundred thousand, five hundred fifty-one".