550807740 has 72 divisors (see below), whose sum is σ = 1909471200. Its totient is φ = 125898624.

The previous prime is 550807729. The next prime is 550807757. The reversal of 550807740 is 47708055.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 550807695 and 550807704.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 217315 + ... + 219834.

Almost surely, 2^550807740 is an apocalyptic number.

It is an amenable number.

550807740 is an abundant number, since it is smaller than the sum of its proper divisors (1358663460).

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

550807740 is a wasteful number, since it uses less digits than its factorization.

550807740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437171 (or 437166 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 550807740 is about 23469.2935556228. The cubic root of 550807740 is about 819.7221644496.

The spelling of 550807740 in words is "five hundred fifty million, eight hundred seven thousand, seven hundred forty".