1555459041 has 4 divisors (see below), whose sum is σ = 2073945392. Its totient is φ = 1036972692.

The previous prime is 1555459039. The next prime is 1555459049. The reversal of 1555459041 is 1409545551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1555459041 - 2¹ = 1555459039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1555459049) 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, 259243171 + ... + 259243176.

It is an arithmetic number, because the mean of its divisors is an integer number (518486348).

Almost surely, 2^1555459041 is an apocalyptic number.

It is an amenable number.

1555459041 is a deficient number, since it is larger than the sum of its proper divisors (518486351).

1555459041 is an equidigital number, since it uses as much as digits as its factorization.

1555459041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518486350.

The product of its (nonzero) digits is 90000, while the sum is 39.

The square root of 1555459041 is about 39439.3083230424. The cubic root of 1555459041 is about 1158.6515844308.

The spelling of 1555459041 in words is "one billion, five hundred fifty-five million, four hundred fifty-nine thousand, forty-one".