52021545331 has 8 divisors (see below), whose sum is σ = 59606033760. Its totient is φ = 44475266688.

The previous prime is 52021545319. The next prime is 52021545347. The reversal of 52021545331 is 13354512025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52021545331 - 2²⁷ = 51887327603 is a prime.

It is a super-2 number, since 2×52021545331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52021545293 and 52021545302.

It is not an unprimeable number, because it can be changed into a prime (52021545931) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9549526 + ... + 9554971.

It is an arithmetic number, because the mean of its divisors is an integer number (7450754220).

Almost surely, 2^52021545331 is an apocalyptic number.

52021545331 is a deficient number, since it is larger than the sum of its proper divisors (7584488429).

52021545331 is a wasteful number, since it uses less digits than its factorization.

52021545331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19104893.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 52021545331 in words is "fifty-two billion, twenty-one million, five hundred forty-five thousand, three hundred thirty-one".