52355420412 has 24 divisors (see below), whose sum is σ = 122195794896. Its totient is φ = 17447071488.

The previous prime is 52355420401. The next prime is 52355420419. The reversal of 52355420412 is 21402455325.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52355420419) 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, 545703 + ... + 634430.

It is an arithmetic number, because the mean of its divisors is an integer number (5091491454).

Almost surely, 2^52355420412 is an apocalyptic number.

It is an amenable number.

52355420412 is an abundant number, since it is smaller than the sum of its proper divisors (69840374484).

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

52355420412 is a wasteful number, since it uses less digits than its factorization.

52355420412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183837 (or 1183835 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 52355420412 its reverse (21402455325), we get a palindrome (73757875737).

The spelling of 52355420412 in words is "fifty-two billion, three hundred fifty-five million, four hundred twenty thousand, four hundred twelve".