53423215040 has 224 divisors, whose sum is σ = 150485368320. Its totient is φ = 17874210816.

The previous prime is 53423215031. The next prime is 53423215057. The reversal of 53423215040 is 4051232435.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 53423214994 and 53423215012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1803227 + ... + 1832613.

It is an arithmetic number, because the mean of its divisors is an integer number (671809680).

Almost surely, 2^53423215040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53423215040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75242684160).

53423215040 is an abundant number, since it is smaller than the sum of its proper divisors (97062153280).

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

53423215040 is a wasteful number, since it uses less digits than its factorization.

53423215040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29459 (or 29449 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 53423215040 its reverse (4051232435), we get a palindrome (57474447475).

The spelling of 53423215040 in words is "fifty-three billion, four hundred twenty-three million, two hundred fifteen thousand, forty".