1375000550 has 96 divisors (see below), whose sum is σ = 3356570880. Its totient is φ = 405993600.

The previous prime is 1375000481. The next prime is 1375000553. The reversal of 1375000550 is 550005731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375000553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63752 + ... + 82548.

It is an arithmetic number, because the mean of its divisors is an integer number (34964280).

Almost surely, 2^1375000550 is an apocalyptic number.

1375000550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375000550 is an abundant number, since it is smaller than the sum of its proper divisors (1981570330).

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

1375000550 is a wasteful number, since it uses less digits than its factorization.

1375000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18846 (or 18841 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 1375000550 is about 37080.9998516761. Note that the first 3 decimals coincide. The cubic root of 1375000550 is about 1111.9901935500.

It can be divided in two parts, 1375000 and 550, that multiplied together give a square (756250000 = 27500²).

The spelling of 1375000550 in words is "one billion, three hundred seventy-five million, five hundred fifty", and thus it is an aban number.