550277755 has 16 divisors (see below), whose sum is σ = 684093600. Its totient is φ = 424426240.

The previous prime is 550277729. The next prime is 550277759. The reversal of 550277755 is 557772055.

It is not a de Polignac number, because 550277755 - 2⁷ = 550277627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550277759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114960 + ... + 119650.

It is an arithmetic number, because the mean of its divisors is an integer number (42755850).

Almost surely, 2^550277755 is an apocalyptic number.

550277755 is a deficient number, since it is larger than the sum of its proper divisors (133815845).

550277755 is a wasteful number, since it uses less digits than its factorization.

550277755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534.

The product of its (nonzero) digits is 428750, while the sum is 43.

The square root of 550277755 is about 23457.9998081678. Note that the first 3 decimals coincide. The cubic root of 550277755 is about 819.4591689533.

The spelling of 550277755 in words is "five hundred fifty million, two hundred seventy-seven thousand, seven hundred fifty-five".