551560828 has 96 divisors (see below), whose sum is σ = 1229437440. Its totient is φ = 210712320.

The previous prime is 551560811. The next prime is 551560843. The reversal of 551560828 is 828065155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2050278 + ... + 2050546.

It is an arithmetic number, because the mean of its divisors is an integer number (12806640).

Almost surely, 2^551560828 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 551560828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614718720).

551560828 is an abundant number, since it is smaller than the sum of its proper divisors (677876612).

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

551560828 is a wasteful number, since it uses less digits than its factorization.

551560828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 40.

The square root of 551560828 is about 23485.3321884107. The cubic root of 551560828 is about 820.0955807681.

The spelling of 551560828 in words is "five hundred fifty-one million, five hundred sixty thousand, eight hundred twenty-eight".