551010156 has 12 divisors (see below), whose sum is σ = 1285690392. Its totient is φ = 183670048.

The previous prime is 551010143. The next prime is 551010167. The reversal of 551010156 is 651010155.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×551010156² = 607224384030288672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22958745 + ... + 22958768.

It is an arithmetic number, because the mean of its divisors is an integer number (107140866).

Almost surely, 2^551010156 is an apocalyptic number.

It is an amenable number.

551010156 is an abundant number, since it is smaller than the sum of its proper divisors (734680236).

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

551010156 is a wasteful number, since it uses less digits than its factorization.

551010156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45917520 (or 45917518 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 551010156 is about 23473.6055176873. The cubic root of 551010156 is about 819.8225652177.

Subtracting 551010156 from its reverse (651010155), we obtain a palindrome (99999999).

The spelling of 551010156 in words is "five hundred fifty-one million, ten thousand, one hundred fifty-six".