551055757824 has 960 divisors, whose sum is σ = 1981853153280. Its totient is φ = 150632939520.

The previous prime is 551055757717. The next prime is 551055757867. The reversal of 551055757824 is 428757550155.

551055757824 is a `hidden beast` number, since 5 + 5 + 1 + 0 + 557 + 5 + 7 + 82 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 836199607 + ... + 836200265.

It is an arithmetic number, because the mean of its divisors is an integer number (2064430368).

Almost surely, 2^551055757824 is an apocalyptic number.

551055757824 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551055757824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990926576640).

551055757824 is an abundant number, since it is smaller than the sum of its proper divisors (1430797395456).

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

551055757824 is a wasteful number, since it uses less digits than its factorization.

551055757824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 9800000, while the sum is 54.

The spelling of 551055757824 in words is "five hundred fifty-one billion, fifty-five million, seven hundred fifty-seven thousand, eight hundred twenty-four".