1550663152 has 40 divisors (see below), whose sum is σ = 3108566912. Its totient is φ = 748569600.

The previous prime is 1550663141. The next prime is 1550663159. The reversal of 1550663152 is 2513660551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550663159) 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, 223252 + ... + 230092.

Almost surely, 2^1550663152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1550663152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1554283456).

1550663152 is an abundant number, since it is smaller than the sum of its proper divisors (1557903760).

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

1550663152 is a wasteful number, since it uses less digits than its factorization.

1550663152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337 (or 7331 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 1550663152 is about 39378.4605082525. The cubic root of 1550663152 is about 1157.4595493610.

The spelling of 1550663152 in words is "one billion, five hundred fifty million, six hundred sixty-three thousand, one hundred fifty-two".