551006051000 has 128 divisors (see below), whose sum is σ = 1317864038400. Its totient is φ = 215536643200.

The previous prime is 551006050963. The next prime is 551006051003. The reversal of 551006051000 is 150600155.

It is a super-2 number, since 2×551006051000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551006051003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67628927 + ... + 67637073.

It is an arithmetic number, because the mean of its divisors is an integer number (10295812800).

Almost surely, 2^551006051000 is an apocalyptic number.

551006051000 is a gapful number since it is divisible by the number (50) 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 551006051000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (658932019200).

551006051000 is an abundant number, since it is smaller than the sum of its proper divisors (766857987400).

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

551006051000 is a wasteful number, since it uses less digits than its factorization.

551006051000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9654 (or 9640 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 551006051000 its reverse (150600155), we get a palindrome (551156651155).

The spelling of 551006051000 in words is "five hundred fifty-one billion, six million, fifty-one thousand".