550413765 has 64 divisors (see below), whose sum is σ = 1104364800. Its totient is φ = 257644800.

The previous prime is 550413763. The next prime is 550413821. The reversal of 550413765 is 567314055.

550413765 is a `hidden beast` number, since 550 + 41 + 3 + 7 + 65 = 666.

It is not a de Polignac number, because 550413765 - 2¹ = 550413763 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550413763) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36675 + ... + 49455.

It is an arithmetic number, because the mean of its divisors is an integer number (17255700).

Almost surely, 2^550413765 is an apocalyptic number.

550413765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550413765 is an abundant number, since it is smaller than the sum of its proper divisors (553951035).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550413765 is a wasteful number, since it uses less digits than its factorization.

550413765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12835 (or 12829 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 550413765 is about 23460.8986400777. The cubic root of 550413765 is about 819.5266775640.

The spelling of 550413765 in words is "five hundred fifty million, four hundred thirteen thousand, seven hundred sixty-five".