53402312532 has 48 divisors (see below), whose sum is σ = 131353779200. Its totient is φ = 16839433440.

The previous prime is 53402312429. The next prime is 53402312539. The reversal of 53402312532 is 23521320435.

It is a self number, because there is not a number n which added to its sum of digits gives 53402312532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53402312539) 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 15 ways as a sum of consecutive naturals, for example, 11932 + ... + 327027.

Almost surely, 2^53402312532 is an apocalyptic number.

It is an amenable number.

53402312532 is an abundant number, since it is smaller than the sum of its proper divisors (77951466668).

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

53402312532 is a wasteful number, since it uses less digits than its factorization.

53402312532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339676 (or 339674 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 53402312532 its reverse (23521320435), we get a palindrome (76923632967).

The spelling of 53402312532 in words is "fifty-three billion, four hundred two million, three hundred twelve thousand, five hundred thirty-two".