2013613550 has 48 divisors (see below), whose sum is σ = 4172545440. Its totient is φ = 717843840.

The previous prime is 2013613543. The next prime is 2013613601. The reversal of 2013613550 is 553163102.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 34562 + ... + 72261.

It is an arithmetic number, because the mean of its divisors is an integer number (86928030).

Almost surely, 2^2013613550 is an apocalyptic number.

2013613550 is an abundant number, since it is smaller than the sum of its proper divisors (2158931890).

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

2013613550 is a wasteful number, since it uses less digits than its factorization.

2013613550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106877 (or 106872 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 2013613550 is about 44873.3055390396. The cubic root of 2013613550 is about 1262.7732545801.

Adding to 2013613550 its reverse (553163102), we get a palindrome (2566776652).

The spelling of 2013613550 in words is "two billion, thirteen million, six hundred thirteen thousand, five hundred fifty".