1550150557 has 8 divisors (see below), whose sum is σ = 1595110496. Its totient is φ = 1505351952.

The previous prime is 1550150513. The next prime is 1550150621. The reversal of 1550150557 is 7550510551.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1550150557 - 2¹⁹ = 1549626269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550150507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20703 + ... + 59404.

It is an arithmetic number, because the mean of its divisors is an integer number (199388812).

Almost surely, 2^1550150557 is an apocalyptic number.

It is an amenable number.

1550150557 is a deficient number, since it is larger than the sum of its proper divisors (44959939).

1550150557 is an equidigital number, since it uses as much as digits as its factorization.

1550150557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80667.

The product of its (nonzero) digits is 21875, while the sum is 34.

The square root of 1550150557 is about 39371.9513994417. The cubic root of 1550150557 is about 1157.3319967578.

The spelling of 1550150557 in words is "one billion, five hundred fifty million, one hundred fifty thousand, five hundred fifty-seven".