1555254042 has 32 divisors (see below), whose sum is σ = 3186086400. Its totient is φ = 505948848.

The previous prime is 1555254037. The next prime is 1555254067. The reversal of 1555254042 is 2404525551.

1555254042 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1555253994 and 1555254012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33403 + ... + 65009.

It is an arithmetic number, because the mean of its divisors is an integer number (99565200).

Almost surely, 2^1555254042 is an apocalyptic number.

1555254042 is an abundant number, since it is smaller than the sum of its proper divisors (1630832358).

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

1555254042 is a wasteful number, since it uses less digits than its factorization.

1555254042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31810.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 1555254042 is about 39436.7093201246. The cubic root of 1555254042 is about 1158.6006813758.

Adding to 1555254042 its reverse (2404525551), we get a palindrome (3959779593).

The spelling of 1555254042 in words is "one billion, five hundred fifty-five million, two hundred fifty-four thousand, forty-two".