551012140 has 48 divisors (see below), whose sum is σ = 1358183232. Its totient is φ = 183810816.

The previous prime is 551012131. The next prime is 551012149. The reversal of 551012140 is 41210155.

551012140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (551012131) and next prime (551012149).

It is a super-2 number, since 2×551012140² = 607228756854759200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (551012149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48007 + ... + 58366.

It is an arithmetic number, because the mean of its divisors is an integer number (28295484).

Almost surely, 2^551012140 is an apocalyptic number.

It is an amenable number.

551012140 is an abundant number, since it is smaller than the sum of its proper divisors (807171092).

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

551012140 is a wasteful number, since it uses less digits than its factorization.

551012140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106426 (or 106424 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 551012140 is about 23473.6477778806. The cubic root of 551012140 is about 819.8235491839.

Adding to 551012140 its reverse (41210155), we get a palindrome (592222295).

The spelling of 551012140 in words is "five hundred fifty-one million, twelve thousand, one hundred forty".