550002774780 has 48 divisors (see below), whose sum is σ = 1711119745440. Its totient is φ = 146667406464.

The previous prime is 550002774751. The next prime is 550002774823. The reversal of 550002774780 is 87477200055.

550002774780 is a `hidden beast` number, since 5 + 500 + 0 + 2 + 7 + 74 + 78 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509261289 + ... + 509262368.

It is an arithmetic number, because the mean of its divisors is an integer number (35648328030).

Almost surely, 2^550002774780 is an apocalyptic number.

It is an amenable number.

550002774780 is an abundant number, since it is smaller than the sum of its proper divisors (1161116970660).

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

550002774780 is a wasteful number, since it uses less digits than its factorization.

550002774780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018523675 (or 1018523667 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 45.

The spelling of 550002774780 in words is "five hundred fifty billion, two million, seven hundred seventy-four thousand, seven hundred eighty".