52521261042 has 32 divisors (see below), whose sum is σ = 105615576000. Its totient is φ = 17411645888.

The previous prime is 52521260999. The next prime is 52521261059. The reversal of 52521261042 is 24016212525.

It is a super-2 number, since 2×52521261042² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3892684 + ... + 3906152.

It is an arithmetic number, because the mean of its divisors is an integer number (3300486750).

Almost surely, 2^52521261042 is an apocalyptic number.

52521261042 is an abundant number, since it is smaller than the sum of its proper divisors (53094314958).

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

52521261042 is a wasteful number, since it uses less digits than its factorization.

52521261042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16970.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 52521261042 its reverse (24016212525), we get a palindrome (76537473567).

The spelling of 52521261042 in words is "fifty-two billion, five hundred twenty-one million, two hundred sixty-one thousand, forty-two".