13501422550 has 48 divisors (see below), whose sum is σ = 31309281792. Its totient is φ = 4208234400.

The previous prime is 13501422521. The next prime is 13501422563. The reversal of 13501422550 is 5522410531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1749582 + ... + 1757281.

It is an arithmetic number, because the mean of its divisors is an integer number (652276704).

Almost surely, 2^13501422550 is an apocalyptic number.

13501422550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13501422550 is an abundant number, since it is smaller than the sum of its proper divisors (17807859242).

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

13501422550 is a wasteful number, since it uses less digits than its factorization.

13501422550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506893 (or 3506888 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 13501422550 in words is "thirteen billion, five hundred one million, four hundred twenty-two thousand, five hundred fifty".