1550305153 has 2 divisors, whose sum is σ = 1550305154. Its totient is φ = 1550305152.

The previous prime is 1550305121. The next prime is 1550305177. The reversal of 1550305153 is 3515030551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1365154704 + 185150449 = 36948^2 + 13607^2 .

It is a cyclic number.

It is not a de Polignac number, because 1550305153 - 2⁵ = 1550305121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1550305103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775152576 + 775152577.

It is an arithmetic number, because the mean of its divisors is an integer number (775152577).

Almost surely, 2^1550305153 is an apocalyptic number.

It is an amenable number.

1550305153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1550305153 is an equidigital number, since it uses as much as digits as its factorization.

1550305153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5625, while the sum is 28.

The square root of 1550305153 is about 39373.9146263107. The cubic root of 1550305153 is about 1157.3704689240.

The spelling of 1550305153 in words is "one billion, five hundred fifty million, three hundred five thousand, one hundred fifty-three".