1550135355 has 32 divisors (see below), whose sum is σ = 2525933568. Its totient is φ = 811555200.

The previous prime is 1550135351. The next prime is 1550135359. The reversal of 1550135355 is 5535310551.

It is an interprime number because it is at equal distance from previous prime (1550135351) and next prime (1550135359).

It is not a de Polignac number, because 1550135355 - 2² = 1550135351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1550135351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554010 + ... + 556800.

It is an arithmetic number, because the mean of its divisors is an integer number (78935424).

Almost surely, 2^1550135355 is an apocalyptic number.

1550135355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1550135355 is a deficient number, since it is larger than the sum of its proper divisors (975798213).

1550135355 is a wasteful number, since it uses less digits than its factorization.

1550135355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3467.

The product of its (nonzero) digits is 28125, while the sum is 33.

The square root of 1550135355 is about 39371.7583427512. The cubic root of 1550135355 is about 1157.3282135084.

The spelling of 1550135355 in words is "one billion, five hundred fifty million, one hundred thirty-five thousand, three hundred fifty-five".