550530255278 has 4 divisors (see below), whose sum is σ = 825795382920. Its totient is φ = 275265127638.

The previous prime is 550530255277. The next prime is 550530255337. The reversal of 550530255278 is 872552035055.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550530255277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137632563818 + ... + 137632563821.

It is an arithmetic number, because the mean of its divisors is an integer number (206448845730).

Almost surely, 2^550530255278 is an apocalyptic number.

550530255278 is a deficient number, since it is larger than the sum of its proper divisors (275265127642).

550530255278 is a wasteful number, since it uses less digits than its factorization.

550530255278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275265127641.

The product of its (nonzero) digits is 2100000, while the sum is 47.

The spelling of 550530255278 in words is "five hundred fifty billion, five hundred thirty million, two hundred fifty-five thousand, two hundred seventy-eight".