551751048 has 256 divisors, whose sum is σ = 1741824000. Its totient is φ = 160883712.

The previous prime is 551751047. The next prime is 551751061. The reversal of 551751048 is 840157155.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (551751043) 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 63 ways as a sum of consecutive naturals, for example, 3969363 + ... + 3969501.

It is an arithmetic number, because the mean of its divisors is an integer number (6804000).

Almost surely, 2^551751048 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 551751048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870912000).

551751048 is an abundant number, since it is smaller than the sum of its proper divisors (1190072952).

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

551751048 is a wasteful number, since it uses less digits than its factorization.

551751048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The square root of 551751048 is about 23489.3816010554. The cubic root of 551751048 is about 820.1898469810.

It can be divided in two parts, 5517 and 51048, that added together give a palindrome (56565).

The spelling of 551751048 in words is "five hundred fifty-one million, seven hundred fifty-one thousand, forty-eight".