1555403483 has 4 divisors (see below), whose sum is σ = 1574143368. Its totient is φ = 1536663600.

The previous prime is 1555403471. The next prime is 1555403501. The reversal of 1555403483 is 3843045551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1555403483 - 2¹² = 1555399387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1555403683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9369818 + ... + 9369983.

It is an arithmetic number, because the mean of its divisors is an integer number (393535842).

Almost surely, 2^1555403483 is an apocalyptic number.

1555403483 is a deficient number, since it is larger than the sum of its proper divisors (18739885).

1555403483 is an equidigital number, since it uses as much as digits as its factorization.

1555403483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18739884.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 1555403483 is about 39438.6039687005. The cubic root of 1555403483 is about 1158.6377893325.

The spelling of 1555403483 in words is "one billion, five hundred fifty-five million, four hundred three thousand, four hundred eighty-three".