5365721952 has 72 divisors (see below), whose sum is σ = 15315300000. Its totient is φ = 1781948160.

The previous prime is 5365721939. The next prime is 5365721969. The reversal of 5365721952 is 2591275635.

5365721952 is a `hidden beast` number, since 536 + 5 + 7 + 21 + 95 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 5365721898 and 5365721907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43674 + ... + 112422.

It is an arithmetic number, because the mean of its divisors is an integer number (212712500).

Almost surely, 2^5365721952 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 5365721952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7657650000).

5365721952 is an abundant number, since it is smaller than the sum of its proper divisors (9949578048).

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

5365721952 is a wasteful number, since it uses less digits than its factorization.

5365721952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69036 (or 69025 counting only the distinct ones).

The product of its digits is 567000, while the sum is 45.

The square root of 5365721952 is about 73251.0884014702. The cubic root of 5365721952 is about 1750.6905521789.

The spelling of 5365721952 in words is "five billion, three hundred sixty-five million, seven hundred twenty-one thousand, nine hundred fifty-two".