505500055051 has 8 divisors (see below), whose sum is σ = 506143391040. Its totient is φ = 504856839552.

The previous prime is 505500054971. The next prime is 505500055057. The reversal of 505500055051 is 150550005505.

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 505500055051 - 2²⁷ = 505365837323 is a prime.

It is a super-2 number, since 2×505500055051² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505500055057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10800366 + ... + 10847068.

It is an arithmetic number, because the mean of its divisors is an integer number (63267923880).

Almost surely, 2^505500055051 is an apocalyptic number.

505500055051 is a deficient number, since it is larger than the sum of its proper divisors (643335989).

505500055051 is a wasteful number, since it uses less digits than its factorization.

505500055051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60245.

The product of its (nonzero) digits is 15625, while the sum is 31.

The spelling of 505500055051 in words is "five hundred five billion, five hundred million, fifty-five thousand, fifty-one".