1550353928 has 12 divisors (see below), whose sum is σ = 2907122445. Its totient is φ = 775121280.

The previous prime is 1550353921. The next prime is 1550353967. The reversal of 1550353928 is 8293530551.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1536796804 + 13557124 = 39202^2 + 3682^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=27842.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1550353921) 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 2 ways as a sum of consecutive naturals, for example, 104408 + ... + 118328.

Almost surely, 2^1550353928 is an apocalyptic number.

It is an amenable number.

1550353928 is a deficient number, since it is larger than the sum of its proper divisors (1356768517).

1550353928 is an frugal number, since it uses more digits than its factorization.

1550353928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27848 (or 13923 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 1550353928 is about 39374.5340035917. The cubic root of 1550353928 is about 1157.3826063523.

The spelling of 1550353928 in words is "one billion, five hundred fifty million, three hundred fifty-three thousand, nine hundred twenty-eight".