1555706241 has 12 divisors (see below), whose sum is σ = 2283970260. Its totient is φ = 1020134880.

The previous prime is 1555706231. The next prime is 1555706293. The reversal of 1555706241 is 1426075551.

1555706241 is a `hidden beast` number, since 1 + 5 + 557 + 0 + 62 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 179667216 + 1376039025 = 13404^2 + 37095^2 .

It is not a de Polignac number, because 1555706241 - 2¹³ = 1555698049 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1555706196 and 1555706205.

It is not an unprimeable number, because it can be changed into a prime (1555706221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1416306 + ... + 1417403.

It is an arithmetic number, because the mean of its divisors is an integer number (190330855).

Almost surely, 2^1555706241 is an apocalyptic number.

It is an amenable number.

1555706241 is a deficient number, since it is larger than the sum of its proper divisors (728264019).

1555706241 is a wasteful number, since it uses less digits than its factorization.

1555706241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833776 (or 2833773 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 1555706241 is about 39442.4421277385. The cubic root of 1555706241 is about 1158.7129604175.

The spelling of 1555706241 in words is "one billion, five hundred fifty-five million, seven hundred six thousand, two hundred forty-one".