551000112 has 40 divisors (see below), whose sum is σ = 1532912304. Its totient is φ = 169538304.

The previous prime is 551000111. The next prime is 551000113. The reversal of 551000112 is 211000155.

It is an interprime number because it is at equal distance from previous prime (551000111) and next prime (551000113).

It is a super-2 number, since 2×551000112² = 607202246848025088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551000091 and 551000100.

It is not an unprimeable number, because it can be changed into a prime (551000111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440883 + ... + 442130.

Almost surely, 2^551000112 is an apocalyptic number.

551000112 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

551000112 is an abundant number, since it is smaller than the sum of its proper divisors (981912192).

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

551000112 is a wasteful number, since it uses less digits than its factorization.

551000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883037 (or 883031 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 551000112 is about 23473.3915742911. The cubic root of 551000112 is about 819.8175838529.

Adding to 551000112 its reverse (211000155), we get a palindrome (762000267).

The spelling of 551000112 in words is "five hundred fifty-one million, one hundred twelve", and thus it is an aban number.