551835938 has 12 divisors (see below), whose sum is σ = 830216310. Its totient is φ = 275099136.

The previous prime is 551835937. The next prime is 551835961. The reversal of 551835938 is 839538155.

It can be written as a sum of positive squares in only one way, i.e., 491198569 + 60637369 = 22163^2 + 7787^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 551835892 and 551835901.

It is not an unprimeable number, because it can be changed into a prime (551835931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 717218 + ... + 717986.

Almost surely, 2^551835938 is an apocalyptic number.

551835938 is a deficient number, since it is larger than the sum of its proper divisors (278380372).

551835938 is an frugal number, since it uses more digits than its factorization.

551835938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1969 (or 1370 counting only the distinct ones).

The product of its digits is 648000, while the sum is 47.

The square root of 551835938 is about 23491.1885182508. The cubic root of 551835938 is about 820.2319084300.

The spelling of 551835938 in words is "five hundred fifty-one million, eight hundred thirty-five thousand, nine hundred thirty-eight".