550577073501 has 80 divisors (see below), whose sum is σ = 1016729476224. Its totient is φ = 289134043776.

The previous prime is 550577073461. The next prime is 550577073503. The reversal of 550577073501 is 105370775055.

550577073501 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 7 + 70 + 73 + 501 = 666.

It is not a de Polignac number, because 550577073501 - 2⁹ = 550577072989 is a prime.

It is a super-2 number, since 2×550577073501² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550577073503) 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 79 ways as a sum of consecutive naturals, for example, 1508691 + ... + 1837743.

Almost surely, 2^550577073501 is an apocalyptic number.

It is an amenable number.

550577073501 is a deficient number, since it is larger than the sum of its proper divisors (466152402723).

550577073501 is a wasteful number, since it uses less digits than its factorization.

550577073501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329312 (or 329303 counting only the distinct ones).

The product of its (nonzero) digits is 643125, while the sum is 45.

The spelling of 550577073501 in words is "five hundred fifty billion, five hundred seventy-seven million, seventy-three thousand, five hundred one".