1553055115 has 16 divisors (see below), whose sum is σ = 1892270016. Its totient is φ = 1223510400.

The previous prime is 1553055089. The next prime is 1553055137. The reversal of 1553055115 is 5115503551.

It is not a de Polignac number, because 1553055115 - 2¹³ = 1553046923 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 84885 + ... + 101545.

It is an arithmetic number, because the mean of its divisors is an integer number (118266876).

Almost surely, 2^1553055115 is an apocalyptic number.

1553055115 is a deficient number, since it is larger than the sum of its proper divisors (339214901).

1553055115 is a wasteful number, since it uses less digits than its factorization.

1553055115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16950.

The product of its (nonzero) digits is 9375, while the sum is 31.

The square root of 1553055115 is about 39408.8202690717. The cubic root of 1553055115 is about 1158.0543869246.

Adding to 1553055115 its reverse (5115503551), we get a palindrome (6668558666).

The spelling of 1553055115 in words is "one billion, five hundred fifty-three million, fifty-five thousand, one hundred fifteen".