52155065531 has 8 divisors (see below), whose sum is σ = 54931529280. Its totient is φ = 49381747848.

The previous prime is 52155065483. The next prime is 52155065563. The reversal of 52155065531 is 13556055125.

It is a happy number.

52155065531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52155065531 is a prime.

It is a super-2 number, since 2×52155065531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52155065591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752441 + ... + 818826.

It is an arithmetic number, because the mean of its divisors is an integer number (6866441160).

Almost surely, 2^52155065531 is an apocalyptic number.

52155065531 is a deficient number, since it is larger than the sum of its proper divisors (2776463749).

52155065531 is a wasteful number, since it uses less digits than its factorization.

52155065531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573033.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 52155065531 in words is "fifty-two billion, one hundred fifty-five million, sixty-five thousand, five hundred thirty-one".