550656156 has 48 divisors (see below), whose sum is σ = 1350607104. Its totient is φ = 174278016.

The previous prime is 550656137. The next prime is 550656187. The reversal of 550656156 is 651656055.

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, 30531 + ... + 45093.

It is an arithmetic number, because the mean of its divisors is an integer number (28137648).

Almost surely, 2^550656156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550656156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675303552).

550656156 is an abundant number, since it is smaller than the sum of its proper divisors (799950948).

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

550656156 is a wasteful number, since it uses less digits than its factorization.

550656156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14730 (or 14728 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The square root of 550656156 is about 23466.0639221835. The cubic root of 550656156 is about 819.6469608556.

The spelling of 550656156 in words is "five hundred fifty million, six hundred fifty-six thousand, one hundred fifty-six".