52521154441 has 16 divisors (see below), whose sum is σ = 63796702464. Its totient is φ = 42208879104.

The previous prime is 52521154423. The next prime is 52521154507. The reversal of 52521154441 is 14445112525.

It is not a de Polignac number, because 52521154441 - 2⁷ = 52521154313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52521154397 and 52521154406.

It is not an unprimeable number, because it can be changed into a prime (52521154241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807780 + ... + 870373.

It is an arithmetic number, because the mean of its divisors is an integer number (3987293904).

Almost surely, 2^52521154441 is an apocalyptic number.

It is an amenable number.

52521154441 is a deficient number, since it is larger than the sum of its proper divisors (11275548023).

52521154441 is a wasteful number, since it uses less digits than its factorization.

52521154441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678440.

The product of its digits is 32000, while the sum is 34.

Adding to 52521154441 its reverse (14445112525), we get a palindrome (66966266966).

The spelling of 52521154441 in words is "fifty-two billion, five hundred twenty-one million, one hundred fifty-four thousand, four hundred forty-one".