551256288 has 96 divisors (see below), whose sum is σ = 1600445952. Its totient is φ = 164736000.

The previous prime is 551256271. The next prime is 551256289. The reversal of 551256288 is 882652155.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×551256288³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551256289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73513 + ... + 80663.

It is an arithmetic number, because the mean of its divisors is an integer number (16671312).

Almost surely, 2^551256288 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 551256288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800222976).

551256288 is an abundant number, since it is smaller than the sum of its proper divisors (1049189664).

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

551256288 is a wasteful number, since it uses less digits than its factorization.

551256288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248 (or 7240 counting only the distinct ones).

The product of its digits is 192000, while the sum is 42.

The square root of 551256288 is about 23478.8476718940. The cubic root of 551256288 is about 819.9446165252.

The spelling of 551256288 in words is "five hundred fifty-one million, two hundred fifty-six thousand, two hundred eighty-eight".