2661550052 has 36 divisors (see below), whose sum is σ = 5605000380. Its totient is φ = 1101328704.

The previous prime is 2661550051. The next prime is 2661550057. The reversal of 2661550052 is 2500551662.

It can be written as a sum of positive squares in 2 ways, for example, as 2174729956 + 486820096 = 46634^2 + 22064^2 .

It is not an unprimeable number, because it can be changed into a prime (2661550051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228443 + ... + 239810.

It is an arithmetic number, because the mean of its divisors is an integer number (155694455).

Almost surely, 2^2661550052 is an apocalyptic number.

It is an amenable number.

2661550052 is an abundant number, since it is smaller than the sum of its proper divisors (2943450328).

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

2661550052 is a wasteful number, since it uses less digits than its factorization.

2661550052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468300 (or 468291 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 2661550052 is about 51590.2127539711. The cubic root of 2661550052 is about 1385.8350652287.

It can be divided in two parts, 26615 and 50052, that added together give a palindrome (76667).

The spelling of 2661550052 in words is "two billion, six hundred sixty-one million, five hundred fifty thousand, fifty-two".