550007780 has 48 divisors (see below), whose sum is σ = 1322832000. Its totient is φ = 188172288.

The previous prime is 550007767. The next prime is 550007831. The reversal of 550007780 is 87700055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65924 + ... + 73796.

It is an arithmetic number, because the mean of its divisors is an integer number (27559000).

Almost surely, 2^550007780 is an apocalyptic number.

It is an amenable number.

550007780 is an abundant number, since it is smaller than the sum of its proper divisors (772824220).

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

550007780 is a wasteful number, since it uses less digits than its factorization.

550007780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8388 (or 8386 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 550007780 is about 23452.2446686879. The cubic root of 550007780 is about 819.3251338064.

The spelling of 550007780 in words is "five hundred fifty million, seven thousand, seven hundred eighty".