1550103530 has 32 divisors (see below), whose sum is σ = 2868966864. Its totient is φ = 602574336.

The previous prime is 1550103449. The next prime is 1550103539. The reversal of 1550103530 is 353010551.

It can be written as a sum of positive squares in 8 ways, for example, as 1260321001 + 289782529 = 35501^2 + 17023^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1550103496 and 1550103505.

It is not an unprimeable number, because it can be changed into a prime (1550103539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402494 + ... + 406326.

Almost surely, 2^1550103530 is an apocalyptic number.

1550103530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1550103530 is a deficient number, since it is larger than the sum of its proper divisors (1318863334).

1550103530 is a wasteful number, since it uses less digits than its factorization.

1550103530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 1550103530 is about 39371.3541804190. The cubic root of 1550103530 is about 1157.3202932919.

The spelling of 1550103530 in words is "one billion, five hundred fifty million, one hundred three thousand, five hundred thirty".