550421749552 has 40 divisors (see below), whose sum is σ = 1079398257840. Its totient is φ = 271868021760.

The previous prime is 550421749523. The next prime is 550421749567. The reversal of 550421749552 is 255947124055.

It is a super-2 number, since 2×550421749552² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550421749496 and 550421749505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22990324 + ... + 23014252.

It is an arithmetic number, because the mean of its divisors is an integer number (26984956446).

Almost surely, 2^550421749552 is an apocalyptic number.

It is an amenable number.

550421749552 is a deficient number, since it is larger than the sum of its proper divisors (528976508288).

550421749552 is a wasteful number, since it uses less digits than its factorization.

550421749552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41341 (or 41335 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 49.

The spelling of 550421749552 in words is "five hundred fifty billion, four hundred twenty-one million, seven hundred forty-nine thousand, five hundred fifty-two".