550340430 has 32 divisors (see below), whose sum is σ = 1338915744. Its totient is φ = 144746496.

The previous prime is 550340429. The next prime is 550340431. The reversal of 550340430 is 34043055.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (550340429) and next prime (550340431).

It is a self number, because there is not a number n which added to its sum of digits gives 550340430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550340431) 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, 123459 + ... + 127838.

It is an arithmetic number, because the mean of its divisors is an integer number (41841117).

Almost surely, 2^550340430 is an apocalyptic number.

550340430 is an abundant number, since it is smaller than the sum of its proper divisors (788575314).

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

550340430 is a wasteful number, since it uses less digits than its factorization.

550340430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251380.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 550340430 is about 23459.3356683432. The cubic root of 550340430 is about 819.4902790931.

Adding to 550340430 its reverse (34043055), we get a palindrome (584383485).

The spelling of 550340430 in words is "five hundred fifty million, three hundred forty thousand, four hundred thirty".