52440055412 has 6 divisors (see below), whose sum is σ = 91770096978. Its totient is φ = 26220027704.

The previous prime is 52440055411. The next prime is 52440055427. The reversal of 52440055412 is 21455004425.

It can be written as a sum of positive squares in only one way, i.e., 33648032356 + 18792023056 = 183434^2 + 137084^2 .

It is a super-2 number, since 2×52440055412² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52440055411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555006923 + ... + 6555006930.

It is an arithmetic number, because the mean of its divisors is an integer number (15295016163).

Almost surely, 2^52440055412 is an apocalyptic number.

It is an amenable number.

52440055412 is a deficient number, since it is larger than the sum of its proper divisors (39330041566).

52440055412 is a wasteful number, since it uses less digits than its factorization.

52440055412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13110013857 (or 13110013855 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 52440055412 its reverse (21455004425), we get a palindrome (73895059837).

The spelling of 52440055412 in words is "fifty-two billion, four hundred forty million, fifty-five thousand, four hundred twelve".