13458828550 has 12 divisors (see below), whose sum is σ = 25033421196. Its totient is φ = 5383531400.

The previous prime is 13458828541. The next prime is 13458828599. The reversal of 13458828550 is 5582885431.

It is a super-2 number, since 2×13458828550² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13458828494 and 13458828503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134588236 + ... + 134588335.

It is an arithmetic number, because the mean of its divisors is an integer number (2086118433).

Almost surely, 2^13458828550 is an apocalyptic number.

13458828550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13458828550 is a deficient number, since it is larger than the sum of its proper divisors (11574592646).

13458828550 is a wasteful number, since it uses less digits than its factorization.

13458828550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269176583 (or 269176578 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 49.

The spelling of 13458828550 in words is "thirteen billion, four hundred fifty-eight million, eight hundred twenty-eight thousand, five hundred fifty".