551134560 has 288 divisors, whose sum is σ = 1921721760. Its totient is φ = 132579328.

The previous prime is 551134541. The next prime is 551134567. The reversal of 551134560 is 65431155.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551134567) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4022812 + ... + 4022948.

It is an arithmetic number, because the mean of its divisors is an integer number (6672645).

Almost surely, 2^551134560 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 551134560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960860880).

551134560 is an abundant number, since it is smaller than the sum of its proper divisors (1370587200).

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

551134560 is a wasteful number, since it uses less digits than its factorization.

551134560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 551134560 is about 23476.2552380059. The cubic root of 551134560 is about 819.8842588972.

The spelling of 551134560 in words is "five hundred fifty-one million, one hundred thirty-four thousand, five hundred sixty".