1530489550 has 12 divisors (see below), whose sum is σ = 2846710656. Its totient is φ = 612195800.

The previous prime is 1530489547. The next prime is 1530489553. The reversal of 1530489550 is 559840351.

It is an interprime number because it is at equal distance from previous prime (1530489547) and next prime (1530489553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530489553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15304846 + ... + 15304945.

It is an arithmetic number, because the mean of its divisors is an integer number (237225888).

Almost surely, 2^1530489550 is an apocalyptic number.

1530489550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1530489550 is a deficient number, since it is larger than the sum of its proper divisors (1316221106).

1530489550 is a wasteful number, since it uses less digits than its factorization.

1530489550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30609803 (or 30609798 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 1530489550 is about 39121.4717258950. The cubic root of 1530489550 is about 1152.4182383576.

The spelling of 1530489550 in words is "one billion, five hundred thirty million, four hundred eighty-nine thousand, five hundred fifty".