13540550 has 24 divisors (see below), whose sum is σ = 25317576. Its totient is φ = 5387840.

The previous prime is 13540543. The next prime is 13540577. The reversal of 13540550 is 5504531.

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, 10754 + ... + 11946.

It is an arithmetic number, because the mean of its divisors is an integer number (1054899).

Almost surely, 2^13540550 is an apocalyptic number.

13540550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13540550 is a deficient number, since it is larger than the sum of its proper divisors (11777026).

13540550 is a wasteful number, since it uses less digits than its factorization.

13540550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 13540550 is about 3679.7486327194. The cubic root of 13540550 is about 238.3483236153.

The spelling of 13540550 in words is "thirteen million, five hundred forty thousand, five hundred fifty".