27054520752 has 160 divisors (see below), whose sum is σ = 81320826880. Its totient is φ = 7591034880.

The previous prime is 27054520751. The next prime is 27054520781. The reversal of 27054520752 is 25702545072.

It is a self number, because there is not a number n which added to its sum of digits gives 27054520752.

It is not an unprimeable number, because it can be changed into a prime (27054520751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5120352 + ... + 5125632.

It is an arithmetic number, because the mean of its divisors is an integer number (508255168).

Almost surely, 2^27054520752 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 27054520752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40660413440).

27054520752 is an abundant number, since it is smaller than the sum of its proper divisors (54266306128).

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

27054520752 is a wasteful number, since it uses less digits than its factorization.

27054520752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571 (or 5565 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 39.

The spelling of 27054520752 in words is "twenty-seven billion, fifty-four million, five hundred twenty thousand, seven hundred fifty-two".