7285053888 has 168 divisors, whose sum is σ = 24167470080. Its totient is φ = 2055006720.

The previous prime is 7285053857. The next prime is 7285053901. The reversal of 7285053888 is 8883505827.

It is a happy number.

7285053888 is a `hidden beast` number, since 7 + 28 + 5 + 0 + 538 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

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, 307093 + ... + 329963.

Almost surely, 2^7285053888 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 7285053888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12083735040).

7285053888 is an abundant number, since it is smaller than the sum of its proper divisors (16882416192).

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

7285053888 is a wasteful number, since it uses less digits than its factorization.

7285053888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22975 (or 22962 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The square root of 7285053888 is about 85352.5271330615. The cubic root of 7285053888 is about 1938.5526001992.

The spelling of 7285053888 in words is "seven billion, two hundred eighty-five million, fifty-three thousand, eight hundred eighty-eight".