1315050550 has 24 divisors (see below), whose sum is σ = 2668358232. Its totient is φ = 478200000.

The previous prime is 1315050547. The next prime is 1315050593. The reversal of 1315050550 is 550505131.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1194951 + ... + 1196050.

It is an arithmetic number, because the mean of its divisors is an integer number (111181593).

Almost surely, 2^1315050550 is an apocalyptic number.

1315050550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315050550 is an abundant number, since it is smaller than the sum of its proper divisors (1353307682).

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

1315050550 is a wasteful number, since it uses less digits than its factorization.

1315050550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391024 (or 2391019 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 1315050550 is about 36263.6257150330. The cubic root of 1315050550 is about 1095.5885440044.

Adding to 1315050550 its reverse (550505131), we get a palindrome (1865555681).

The spelling of 1315050550 in words is "one billion, three hundred fifteen million, fifty thousand, five hundred fifty".