551010000 has 100 divisors (see below), whose sum is σ = 1778830592. Its totient is φ = 146928000.

The previous prime is 551009971. The next prime is 551010037. The reversal of 551010000 is 10155.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×551010000² = 607224040200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20817 + ... + 39183.

Almost surely, 2^551010000 is an apocalyptic number.

551010000 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 551010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (889415296).

551010000 is an abundant number, since it is smaller than the sum of its proper divisors (1227820592).

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

551010000 is a wasteful number, since it uses less digits than its factorization.

551010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18398 (or 18377 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 12.

The square root of 551010000 is about 23473.6021948060. The cubic root of 551010000 is about 819.8224878493.

Adding to 551010000 its reverse (10155), we get a palindrome (551020155).

The spelling of 551010000 in words is "five hundred fifty-one million, ten thousand".