551894836 has 12 divisors (see below), whose sum is σ = 968736160. Its totient is φ = 275113080.

The previous prime is 551894801. The next prime is 551894839. The reversal of 551894836 is 638498155.

551894836 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 551894836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551894839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207096 + ... + 209743.

Almost surely, 2^551894836 is an apocalyptic number.

It is an amenable number.

551894836 is a deficient number, since it is larger than the sum of its proper divisors (416841324).

551894836 is a wasteful number, since it uses less digits than its factorization.

551894836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417174 (or 417172 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 551894836 is about 23492.4421037916. The cubic root of 551894836 is about 820.2610887817.

It can be divided in two parts, 55189 and 4836, that added together give a square (60025 = 245²).

The spelling of 551894836 in words is "five hundred fifty-one million, eight hundred ninety-four thousand, eight hundred thirty-six".