550402134556 has 48 divisors (see below), whose sum is σ = 972826735104. Its totient is φ = 272466887616.

The previous prime is 550402134553. The next prime is 550402134629. The reversal of 550402134556 is 655431204055.

It is a super-2 number, since 2×550402134556² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550402134553) 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, 235919166 + ... + 235921498.

It is an arithmetic number, because the mean of its divisors is an integer number (20267223648).

Almost surely, 2^550402134556 is an apocalyptic number.

It is an amenable number.

550402134556 is a deficient number, since it is larger than the sum of its proper divisors (422424600548).

550402134556 is a wasteful number, since it uses less digits than its factorization.

550402134556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 550402134556 in words is "five hundred fifty billion, four hundred two million, one hundred thirty-four thousand, five hundred fifty-six".