53431544542 has 4 divisors (see below), whose sum is σ = 80147316816. Its totient is φ = 26715772270.

The previous prime is 53431544519. The next prime is 53431544549. The reversal of 53431544542 is 24544513435.

53431544542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 53431544495 and 53431544504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53431544549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13357886134 + ... + 13357886137.

It is an arithmetic number, because the mean of its divisors is an integer number (20036829204).

Almost surely, 2^53431544542 is an apocalyptic number.

53431544542 is a deficient number, since it is larger than the sum of its proper divisors (26715772274).

53431544542 is a wasteful number, since it uses less digits than its factorization.

53431544542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26715772273.

The product of its digits is 576000, while the sum is 40.

The spelling of 53431544542 in words is "fifty-three billion, four hundred thirty-one million, five hundred forty-four thousand, five hundred forty-two".