13537052550 has 144 divisors (see below), whose sum is σ = 43753032960. Its totient is φ = 2931318720.

The previous prime is 13537052521. The next prime is 13537052563. The reversal of 13537052550 is 5525073531.

13537052550 is a `hidden beast` number, since 1 + 3 + 53 + 7 + 0 + 52 + 550 = 666.

It is a super-3 number, since 3×13537052550³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 53242 + ... + 172941.

Almost surely, 2^13537052550 is an apocalyptic number.

13537052550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13537052550 is an abundant number, since it is smaller than the sum of its proper divisors (30215980410).

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

13537052550 is a wasteful number, since it uses less digits than its factorization.

13537052550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226227 (or 226219 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 36.

The spelling of 13537052550 in words is "thirteen billion, five hundred thirty-seven million, fifty-two thousand, five hundred fifty".