505550050451 has 4 divisors (see below), whose sum is σ = 510458303472. Its totient is φ = 500641797432.

The previous prime is 505550050387. The next prime is 505550050487. The reversal of 505550050451 is 154050055505.

It is a happy number.

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 505550050451 - 2⁶ = 505550050387 is a prime.

It is a super-2 number, since 2×505550050451² (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 (505550050351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2454126356 + ... + 2454126561.

It is an arithmetic number, because the mean of its divisors is an integer number (127614575868).

Almost surely, 2^505550050451 is an apocalyptic number.

505550050451 is a deficient number, since it is larger than the sum of its proper divisors (4908253021).

505550050451 is a wasteful number, since it uses less digits than its factorization.

505550050451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908253020.

The product of its (nonzero) digits is 62500, while the sum is 35.

The spelling of 505550050451 in words is "five hundred five billion, five hundred fifty million, fifty thousand, four hundred fifty-one".