551165802 has 32 divisors (see below), whose sum is σ = 1241339904. Its totient is φ = 161631600.

The previous prime is 551165779. The next prime is 551165807. The reversal of 551165802 is 208561155.

551165802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (551165807) 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, 132648 + ... + 136739.

It is an arithmetic number, because the mean of its divisors is an integer number (38791872).

Almost surely, 2^551165802 is an apocalyptic number.

551165802 is an abundant number, since it is smaller than the sum of its proper divisors (690174102).

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

551165802 is a wasteful number, since it uses less digits than its factorization.

551165802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269434.

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 551165802 is about 23476.9206243068. The cubic root of 551165802 is about 819.8997507824.

The spelling of 551165802 in words is "five hundred fifty-one million, one hundred sixty-five thousand, eight hundred two".