1313552555 has 48 divisors (see below), whose sum is σ = 1939140000. Its totient is φ = 849332736.

The previous prime is 1313552551. The next prime is 1313552557. The reversal of 1313552555 is 5552553131.

It is not a de Polignac number, because 1313552555 - 2² = 1313552551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (1313552551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1251671 + ... + 1252719.

It is an arithmetic number, because the mean of its divisors is an integer number (40398750).

Almost surely, 2^1313552555 is an apocalyptic number.

1313552555 is a deficient number, since it is larger than the sum of its proper divisors (625587445).

1313552555 is a wasteful number, since it uses less digits than its factorization.

1313552555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1349 counting only the distinct ones).

The product of its digits is 56250, while the sum is 35.

The square root of 1313552555 is about 36242.9655933396. The cubic root of 1313552555 is about 1095.1723851673.

The spelling of 1313552555 in words is "one billion, three hundred thirteen million, five hundred fifty-two thousand, five hundred fifty-five".