53015432442 has 64 divisors (see below), whose sum is σ = 128027136000. Its totient is φ = 14297031360.

The previous prime is 53015432387. The next prime is 53015432507. The reversal of 53015432442 is 24423451035.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93684 + ... + 338832.

It is an arithmetic number, because the mean of its divisors is an integer number (2000424000).

Almost surely, 2^53015432442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53015432442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64013568000).

53015432442 is an abundant number, since it is smaller than the sum of its proper divisors (75011703558).

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

53015432442 is a wasteful number, since it uses less digits than its factorization.

53015432442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245451.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 53015432442 its reverse (24423451035), we get a palindrome (77438883477).

The spelling of 53015432442 in words is "fifty-three billion, fifteen million, four hundred thirty-two thousand, four hundred forty-two".