1550479804 has 12 divisors (see below), whose sum is σ = 2771070624. Its totient is φ = 758745344.

The previous prime is 1550479789. The next prime is 1550479807. The reversal of 1550479804 is 4089740551.

It is a super-4 number, since 4×1550479804⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550479807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4123429 + ... + 4123804.

It is an arithmetic number, because the mean of its divisors is an integer number (230922552).

Almost surely, 2^1550479804 is an apocalyptic number.

It is an amenable number.

1550479804 is a deficient number, since it is larger than the sum of its proper divisors (1220590820).

1550479804 is a wasteful number, since it uses less digits than its factorization.

1550479804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8247284 (or 8247282 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 1550479804 is about 39376.1324154620. The cubic root of 1550479804 is about 1157.4139288238.

The spelling of 1550479804 in words is "one billion, five hundred fifty million, four hundred seventy-nine thousand, eight hundred four".