1555792252 has 24 divisors (see below), whose sum is σ = 3119034240. Its totient is φ = 665171760.

The previous prime is 1555792241. The next prime is 1555792297. The reversal of 1555792252 is 2522975551.

It is a junction number, because it is equal to n+sod(n) for n = 1555792199 and 1555792208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54574 + ... + 78037.

It is an arithmetic number, because the mean of its divisors is an integer number (129959760).

Almost surely, 2^1555792252 is an apocalyptic number.

It is an amenable number.

1555792252 is an abundant number, since it is smaller than the sum of its proper divisors (1563241988).

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

1555792252 is a wasteful number, since it uses less digits than its factorization.

1555792252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133041 (or 133039 counting only the distinct ones).

The product of its digits is 315000, while the sum is 43.

The square root of 1555792252 is about 39443.5324482988. The cubic root of 1555792252 is about 1158.7343141112.

The spelling of 1555792252 in words is "one billion, five hundred fifty-five million, seven hundred ninety-two thousand, two hundred fifty-two".