1555235130 has 16 divisors (see below), whose sum is σ = 3732564384. Its totient is φ = 414729360.

The previous prime is 1555235119. The next prime is 1555235161. The reversal of 1555235130 is 315325551.

It is a super-2 number, since 2×1555235130² = 4837512619172233800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 51841171 = 1555235130 / (1 + 5 + 5 + 5 + 2 + 3 + 5 + 1 + 3 + 0).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25920556 + ... + 25920615.

It is an arithmetic number, because the mean of its divisors is an integer number (233285274).

Almost surely, 2^1555235130 is an apocalyptic number.

1555235130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1555235130 is an abundant number, since it is smaller than the sum of its proper divisors (2177329254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1555235130 is a wasteful number, since it uses less digits than its factorization.

1555235130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51841181.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 1555235130 is about 39436.4695427976. The cubic root of 1555235130 is about 1158.5959851344.

The spelling of 1555235130 in words is "one billion, five hundred fifty-five million, two hundred thirty-five thousand, one hundred thirty".