551285156 has 24 divisors (see below), whose sum is σ = 974238720. Its totient is φ = 272940192.

The previous prime is 551285153. The next prime is 551285191. The reversal of 551285156 is 651582155.

551285156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (551285153) 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, 447950 + ... + 449178.

It is an arithmetic number, because the mean of its divisors is an integer number (40593280).

Almost surely, 2^551285156 is an apocalyptic number.

It is an amenable number.

551285156 is a deficient number, since it is larger than the sum of its proper divisors (422953564).

551285156 is a wasteful number, since it uses less digits than its factorization.

551285156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243 (or 2241 counting only the distinct ones).

The product of its digits is 60000, while the sum is 38.

The square root of 551285156 is about 23479.4624299621. The cubic root of 551285156 is about 819.9589291347.

The spelling of 551285156 in words is "five hundred fifty-one million, two hundred eighty-five thousand, one hundred fifty-six".