13575550 has 24 divisors (see below), whose sum is σ = 25670232. Its totient is φ = 5340000.

The previous prime is 13575547. The next prime is 13575553. The reversal of 13575550 is 5557531.

It is an interprime number because it is at equal distance from previous prime (13575547) and next prime (13575553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13575553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825 + ... + 5275.

It is an arithmetic number, because the mean of its divisors is an integer number (1069593).

Almost surely, 2^13575550 is an apocalyptic number.

13575550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13575550 is a deficient number, since it is larger than the sum of its proper divisors (12094682).

13575550 is a wasteful number, since it uses less digits than its factorization.

13575550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524 (or 4519 counting only the distinct ones).

The product of its (nonzero) digits is 13125, while the sum is 31.

The square root of 13575550 is about 3684.5013231101. The cubic root of 13575550 is about 238.5535101086.

The spelling of 13575550 in words is "thirteen million, five hundred seventy-five thousand, five hundred fifty".