52445413531 has 8 divisors (see below), whose sum is σ = 59951598560. Its totient is φ = 44942724288.

The previous prime is 52445413529. The next prime is 52445413541. The reversal of 52445413531 is 13531454425.

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

It is not a de Polignac number, because 52445413531 - 2¹ = 52445413529 is a prime.

It is a super-2 number, since 2×52445413531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52445413541) 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, 841716 + ... + 901873.

It is an arithmetic number, because the mean of its divisors is an integer number (7493949820).

Almost surely, 2^52445413531 is an apocalyptic number.

52445413531 is a deficient number, since it is larger than the sum of its proper divisors (7506185029).

52445413531 is a wasteful number, since it uses less digits than its factorization.

52445413531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747893.

The product of its digits is 144000, while the sum is 37.

Adding to 52445413531 its reverse (13531454425), we get a palindrome (65976867956).

The spelling of 52445413531 in words is "fifty-two billion, four hundred forty-five million, four hundred thirteen thousand, five hundred thirty-one".