1550628105 has 32 divisors (see below), whose sum is σ = 2673772416. Its totient is φ = 762837504.

The previous prime is 1550628097. The next prime is 1550628119. The reversal of 1550628105 is 5018260551.

It is not a de Polignac number, because 1550628105 - 2³ = 1550628097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464974 + ... + 468296.

It is an arithmetic number, because the mean of its divisors is an integer number (83555388).

Almost surely, 2^1550628105 is an apocalyptic number.

1550628105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1550628105 is a deficient number, since it is larger than the sum of its proper divisors (1123144311).

1550628105 is a wasteful number, since it uses less digits than its factorization.

1550628105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737.

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

The square root of 1550628105 is about 39378.0155035776. The cubic root of 1550628105 is about 1157.4508292659.

Adding to 1550628105 its reverse (5018260551), we get a palindrome (6568888656).

The spelling of 1550628105 in words is "one billion, five hundred fifty million, six hundred twenty-eight thousand, one hundred five".