1550555241 has 24 divisors (see below), whose sum is σ = 2160609120. Its totient is φ = 988954560.

The previous prime is 1550555221. The next prime is 1550555243. The reversal of 1550555241 is 1425550551.

It is not a de Polignac number, because 1550555241 - 2¹⁸ = 1550293097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1550555243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 253566 + ... + 259608.

It is an arithmetic number, because the mean of its divisors is an integer number (90025380).

Almost surely, 2^1550555241 is an apocalyptic number.

It is an amenable number.

1550555241 is a deficient number, since it is larger than the sum of its proper divisors (610053879).

1550555241 is an equidigital number, since it uses as much as digits as its factorization.

1550555241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197 (or 6166 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 33.

The square root of 1550555241 is about 39377.0903064206. The cubic root of 1550555241 is about 1157.4326994474.

The spelling of 1550555241 in words is "one billion, five hundred fifty million, five hundred fifty-five thousand, two hundred forty-one".