550255505525 has 24 divisors (see below), whose sum is σ = 744398557824. Its totient is φ = 400157366400.

The previous prime is 550255505489. The next prime is 550255505531. The reversal of 550255505525 is 525505552055.

It is a happy number.

It is not a de Polignac number, because 550255505525 - 2³⁶ = 481536028789 is a prime.

It is a super-2 number, since 2×550255505525² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4288097 + ... + 4414553.

It is an arithmetic number, because the mean of its divisors is an integer number (31016606576).

Almost surely, 2^550255505525 is an apocalyptic number.

550255505525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550255505525 is a deficient number, since it is larger than the sum of its proper divisors (194143052299).

550255505525 is a wasteful number, since it uses less digits than its factorization.

550255505525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142301 (or 142296 counting only the distinct ones).

The product of its (nonzero) digits is 1562500, while the sum is 44.

The spelling of 550255505525 in words is "five hundred fifty billion, two hundred fifty-five million, five hundred five thousand, five hundred twenty-five".