551339120 has 80 divisors (see below), whose sum is σ = 1328164992. Its totient is φ = 212701440.

The previous prime is 551339099. The next prime is 551339147. The reversal of 551339120 is 21933155.

It is a tau number, because it is divible by the number of its divisors (80).

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, 284555 + ... + 286485.

Almost surely, 2^551339120 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 551339120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (664082496).

551339120 is an abundant number, since it is smaller than the sum of its proper divisors (776825872).

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

551339120 is a wasteful number, since it uses less digits than its factorization.

551339120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 551339120 is about 23480.6115763623. The cubic root of 551339120 is about 819.9856828751.

The spelling of 551339120 in words is "five hundred fifty-one million, three hundred thirty-nine thousand, one hundred twenty".