550250430420 has 48 divisors (see below), whose sum is σ = 1540926592128. Its totient is φ = 146711982720.

The previous prime is 550250430413. The next prime is 550250430437. The reversal of 550250430420 is 24034052055.

It is a super-2 number, since 2×550250430420² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255099 + ... + 1079618.

It is an arithmetic number, because the mean of its divisors is an integer number (32102637336).

Almost surely, 2^550250430420 is an apocalyptic number.

It is an amenable number.

550250430420 is an abundant number, since it is smaller than the sum of its proper divisors (990676161708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550250430420 is a wasteful number, since it uses less digits than its factorization.

550250430420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341600 (or 1341598 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 550250430420 its reverse (24034052055), we get a palindrome (574284482475).

The spelling of 550250430420 in words is "five hundred fifty billion, two hundred fifty million, four hundred thirty thousand, four hundred twenty".