27752553052 has 48 divisors (see below), whose sum is σ = 57670200000. Its totient is φ = 11433590784.

The previous prime is 27752553041. The next prime is 27752553067. The reversal of 27752553052 is 25035525772.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111324 + ... + 260572.

It is an arithmetic number, because the mean of its divisors is an integer number (1201462500).

Almost surely, 2^27752553052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27752553052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28835100000).

27752553052 is an abundant number, since it is smaller than the sum of its proper divisors (29917646948).

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

27752553052 is a wasteful number, since it uses less digits than its factorization.

27752553052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149518 (or 149516 counting only the distinct ones).

The product of its (nonzero) digits is 735000, while the sum is 43.

The spelling of 27752553052 in words is "twenty-seven billion, seven hundred fifty-two million, five hundred fifty-three thousand, fifty-two".